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 €142 EUR
$159 USD
As of October 30, 2026
Save €809 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €951 EUR at Reve Diamonds · As of October 30, 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 €142 to €951, a €809 spread on the same certified stone. Reve Diamonds lists it at €951. 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: €310 EUR|Low: €137 EUR|High: €951 EUR|Avg: €384 EUR|+4.6%
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
October 31, 2026
Retailer 12€142 EUR
Retailer 11€159 EUR
Retailer 4€165 EUR
Retailer 10€176 EUR
Retailer 13€176 EUR
Retailer 6€212 EUR
Retailer 1€310 EUR
Retailer 3€320 EUR
Retailer 7€335 EUR
Retailer 5€394 EUR
Retailer 2€567 EUR
Retailer 9€599 EUR
Retailer 8€826 EUR
Reve Diamonds€951 EUR

42 data points across 14 retailers

16 retailers€142 EUR to €951 EUR

A
Cheapest Retailer
-
€142 EUR
$159 USD
A
Retailer 2
-
€159 EUR
$178 USD
View
Final sale: no returns
A
Retailer 3
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€165 EUR
$184 USD
View
A
Retailer 4
-
€176 EUR
$197 USD
View
A
Retailer 5
-
€176 EUR
$197 USD
View
A
Retailer 6
-
€212 EUR
£186 GBP
View
A
Retailer 7
-
€294 EUR
$329 USD
View
A
Retailer 8
-
€310 EUR
£273 GBP
View
B+
Retailer 9
-
€320 EUR
$357 USD
View
B+
Retailer 10
-
€335 EUR
£295 GBP
View
B+
Retailer 11
-
€394 EUR
$440 USD
View
B
Retailer 12
-
€567 EUR
$634 USD
View
B
Retailer 13
-
€599 EUR
$669 USD
View
B
Retailer 14
-
€616 EUR
$689 USD
View
B
Retailer 15
-
€826 EUR
£727 GBP
View
Most Expensive
B
Reve Diamonds
96A2A557C · Oct 30
€951 EUR
$1,063 USD
View
15 more retailers have this diamond
Prices start from €142 EURSave up to €809 EUR

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
€142 EUR