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Marquise|Lab Grown|IGI

1.02ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG778665935

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778665935

Diamond specifications and retailer prices

From $159 USD
As of October 30, 2026
Save $904 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,063 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778665935 or 778665935. Listed at 16 retailers as of October 30, 2026, with prices from $159 to $1,063, a $904 spread on the same certified stone. Reve Diamonds lists it at $1,063. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778665935
Dimensions10.01 × 5.23 × 3.31 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.01 mm5.23 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778665935
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.3%

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: $236 USD|Low: $153 USD|High: $1,063 USD|Avg: $429 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 12$159 USD
Retailer 11$178 USD
Retailer 4$184 USD
Retailer 10$197 USD
Retailer 13$197 USD
Retailer 1$236 USD
Retailer 6$347 USD
Retailer 3$357 USD
Retailer 7$374 USD
Retailer 5$440 USD
Retailer 2$634 USD
Retailer 9$669 USD
Retailer 8$923 USD
Reve Diamonds$1,063 USD

42 data points across 14 retailers

16 retailers$159 USD to $1,063 USD

A
Cheapest Retailer
-
$159 USD
A
Retailer 2
-
$178 USD
View
Final sale: no returns
A
Retailer 3
-
$184 USD
View
Retailer 4
-
$197 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$197 USD
View
A
Retailer 6
-
$236 USD
£186 GBP
View
A
Retailer 7
-
$329 USD
View
A
Retailer 8
-
$347 USD
£273 GBP
View
B+
Retailer 9
-
$357 USD
View
B+
Retailer 10
-
$374 USD
£295 GBP
View
B+
Retailer 11
-
$440 USD
View
B
Retailer 12
-
$634 USD
View
B
Retailer 13
-
$669 USD
View
B
Retailer 14
-
$689 USD
View
B
Retailer 15
-
$923 USD
£727 GBP
View
Most Expensive
B
Reve Diamonds
96A2A557C · Nov 1
$1,063 USD
View
15 more retailers have this diamond
Prices start from $159 USDSave up to $904 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
1.02ct Marquise
$159 USD