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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508165

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508165

Diamond specifications and retailer prices

From $678 USD
As of November 2, 2026
Save $5,342 USD (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $6,020 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508165 or 754508165. Listed at 34 retailers as of November 2, 2026, with prices from $678 to $6,020, a $5,342 spread on the same certified stone. Do Amore Diamonds lists it at $6,020. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508165
Dimensions11.95 × 6.15 × 3.78 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.95 mm6.15 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508165
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $6,020 USD|Low: $678 USD|High: $6,110 USD|Avg: $2,165 USD|-1.5%
Do Amore Diamonds
Retailer 2
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Retailer 25
November 2, 2026
Retailer 17$678 USD
Retailer 8$857 USD
Retailer 11$947 USD
Retailer 4$950 USD
Retailer 13$982 USD
Retailer 6$1,032 USD
Retailer 7$1,139 USD
Retailer 5$1,310 USD
Retailer 23$1,392 USD
Retailer 19$1,395 USD
Retailer 25$1,422 USD
Retailer 2$1,596 USD
Retailer 10$2,010 USD
Retailer 21$2,163 USD
Retailer 16$2,218 USD
Retailer 14$2,442 USD
Retailer 12$2,683 USD
Retailer 9$2,698 USD
Retailer 3$2,745 USD
Retailer 22$2,840 USD
Retailer 18$3,107 USD
Retailer 15$3,280 USD
Retailer 24$3,429 USD
Retailer 20$3,661 USD
Do Amore Diamonds$6,020 USD

27 data points across 25 retailers

34 retailers$678 USD to $6,020 USD

A
Cheapest Retailer
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$678 USD
Retailer 2
-
$688 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$688 USD
View
Price last confirmed 34 days ago
Retailer 4
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$748 USD
View
Price last confirmed 34 days ago
Retailer 5
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$787 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$798 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$798 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$857 USD
View
Final sale: no returns
A
Retailer 9
-
$947 USD
View
A
Retailer 10
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$950 USD
View
A
Retailer 11
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$982 USD
£773 GBP
View
A
Retailer 12
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$1,032 USD
View
A
Retailer 13
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$1,139 USD
HK$8,900 HKD
View
A
Retailer 14
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$1,310 USD
View
A
Retailer 15
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$1,392 USD
€1,326 EUR
View
A
Retailer 16
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$1,395 USD
£1,098 GBP
View
A
Retailer 17
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$1,422 USD
A$2,188 AUD
View
A
Retailer 18
-
$1,596 USD
ZAR 25,782 ZAR
View
B+
Retailer 19
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$2,010 USD
View
B+
Retailer 20
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$2,163 USD
A$3,327 AUD
View
Retailer 21
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$2,218 USD
View
Price last confirmed 9 days ago
B+
Retailer 22
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$2,442 USD
View
Retailer 23
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$2,475 USD
View
Price last confirmed 23 days ago
Retailer 24
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$2,475 USD
View
Price last confirmed 33 days ago
B+
Retailer 25
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$2,683 USD
View
B+
Retailer 26
-
$2,698 USD
View
B
Retailer 27
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$2,745 USD
View
B
Retailer 28
-
$2,837 USD
View
B+
Retailer 29
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$2,840 USD
View
B
Retailer 30
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$3,107 USD
View
B
Retailer 31
-
$3,280 USD
SGD 4,433 SGD
View
B
Retailer 32
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$3,429 USD
£2,700 GBP
View
B
Retailer 33
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$3,661 USD
A$5,632 AUD
View
Most Expensive
B
Do Amore Diamonds
27-85D5E6F64 · Nov 2
$6,020 USD
View
33 more retailers have this diamond
Prices start from $678 USDSave up to $5,342 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.59ct Marquise
$678 USD