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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594784

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594784

Diamond specifications and retailer prices

From $749 USD
As of November 2, 2026
Save $2,662 USD (78%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,711 USD at Novita Diamonds · As of October 8, 2026
View at Novita 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 LG754594784 or 754594784. Listed at 27 retailers as of November 1, 2026, with a 355% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594784
Dimensions12.08 × 6.23 × 3.72 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
12.08 mm6.23 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594784
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,596 USD|Low: $749 USD|High: $4,050 USD|Avg: $1,832 USD|-0.8%
Retailer 1
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Retailer 25
November 2, 2026
Retailer 18$749 USD
Retailer 3$815 USD
Retailer 15$869 USD
Retailer 10$943 USD
Retailer 22$965 USD
Retailer 12$982 USD
Retailer 5$1,062 USD
Retailer 4$1,109 USD
Retailer 8$1,260 USD
Retailer 2$1,310 USD
Retailer 24$1,392 USD
Retailer 19$1,395 USD
Retailer 25$1,416 USD
Retailer 1$1,596 USD
Retailer 7$2,066 USD
Retailer 21$2,163 USD
Retailer 17$2,218 USD
Retailer 13$2,442 USD
Retailer 11$2,936 USD
Retailer 6$2,945 USD
Retailer 9$2,996 USD
Retailer 23$3,020 USD
Retailer 14$3,076 USD
Retailer 16$3,275 USD
Retailer 20$3,411 USD

25 data points across 25 retailers

27 retailers$749 USD to $3,411 USD

A
Cheapest Retailer
-
$749 USD
A
Retailer 2
-
$815 USD
View
A
Retailer 3
-
$869 USD
View
A
Retailer 4
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$943 USD
View
Final sale: no returns
A
Retailer 5
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$965 USD
View
A
Retailer 6
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$982 USD
£773 GBP
View
A
Retailer 7
-
$1,062 USD
HK$8,300 HKD
View
A
Retailer 8
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$1,109 USD
View
A
Retailer 9
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$1,260 USD
View
A
Retailer 10
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$1,310 USD
View
A
Retailer 11
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$1,392 USD
€1,326 EUR
View
A
Retailer 12
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$1,395 USD
£1,098 GBP
View
A
Retailer 13
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$1,416 USD
A$2,178 AUD
View
A
Retailer 14
-
$1,596 USD
ZAR 25,782 ZAR
View
B+
Retailer 15
-
$2,066 USD
View
B+
Retailer 16
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$2,163 USD
A$3,327 AUD
View
Retailer 17
-
$2,218 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$2,442 USD
View
Retailer 19
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$2,745 USD
View
B
Retailer 20
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$2,936 USD
View
B
Retailer 21
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$2,945 USD
View
B
Retailer 22
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$2,996 USD
View
B
Retailer 23
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$3,020 USD
View
B
Retailer 24
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$3,076 USD
SGD 4,157 SGD
View
B
Retailer 25
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$3,275 USD
View
B
Retailer 26
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$3,411 USD
£2,686 GBP
View
Most Expensive
Novita Diamonds
cert_754594784 · Oct 8
$3,711 USD
A$5,709 AUD
View
Price last confirmed 25 days ago
26 more retailers have this diamond
Prices start from $749 USDSave up to $2,662 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
$749 USD