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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG768632053

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768632053

Diamond specifications and retailer prices

From $639 USD
As of October 30, 2026
Save $5,031 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,670 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632053 or 768632053. Listed at 16 retailers as of October 30, 2026, with prices from $639 to $5,670, a $5,031 spread on the same certified stone. Do Amore Diamonds lists it at $5,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632053
Dimensions11.53 × 6.06 × 3.68 mm
L/W Ratio1.90
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
11.53 mm6.06 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632053
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Oct 30
Current: $5,670 USD|Low: $639 USD|High: $7,540 USD|Avg: $2,377 USD|-24.8%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 17
October 30, 2026
Retailer 12$639 USD
Retailer 4$695 USD
Retailer 14$895 USD
Retailer 7$897 USD
Retailer 5$900 USD
Retailer 8$950 USD
Retailer 13$1,211 USD
Retailer 10$1,377 USD
Retailer 11$1,637 USD
Retailer 15$1,892 USD
Retailer 3$2,199 USD
Retailer 16$2,299 USD
Retailer 6$3,215 USD
Retailer 17$3,216 USD
Retailer 2$3,340 USD
Retailer 9$4,048 USD
Do Amore Diamonds$5,670 USD

30 data points across 17 retailers

16 retailers$639 USD to $5,670 USD

A
Cheapest Retailer
-
$639 USD
A
Retailer 2
-
$695 USD
View
A
Retailer 3
-
$895 USD
View
A
Retailer 4
-
$897 USD
View
A
Retailer 5
-
$900 USD
View
A
Retailer 6
-
$950 USD
View
Final sale: no returns
A
Retailer 7
-
$1,211 USD
View
A
Retailer 8
-
$1,377 USD
€1,311 EUR
View
B+
Retailer 9
-
$1,637 USD
A$2,518 AUD
View
B+
Retailer 10
-
$1,892 USD
View
B+
Retailer 11
-
$2,199 USD
View
B+
Retailer 12
-
$2,299 USD
View
B+
Retailer 13
-
$3,215 USD
View
B+
Retailer 14
-
$3,216 USD
£2,532 GBP
View
B
Retailer 15
-
$3,340 USD
View
Most Expensive
B
Do Amore Diamonds
27-074CFF6B2 · Oct 30
$5,670 USD
View
15 more retailers have this diamond
Prices start from $639 USDSave up to $5,031 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
1.51ct Marquise
$639 USD