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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG787674571

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787674571

Diamond specifications and retailer prices

From $241 USD
As of October 31, 2026
Save $1,129 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,370 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787674571 or 787674571. Listed at 17 retailers as of October 31, 2026, with prices from $241 to $1,370, a $1,129 spread on the same certified stone. Brilliant Earth lists it at $1,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787674571
Dimensions10.46 × 5.22 × 3.15 mm
L/W Ratio2.00
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
10.46 mm5.22 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787674571
Side View
Table 61.0%Crown 35°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: $1,370 USD|Low: $241 USD|High: $1,630 USD|Avg: $700 USD|-16.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$241 USD
Retailer 5$294 USD
Retailer 9$360 USD
Retailer 10$479 USD
Retailer 6$497 USD
Retailer 12$499 USD
Retailer 2$503 USD
Retailer 3$709 USD
Retailer 8$722 USD
Retailer 4$945 USD
Retailer 11$1,171 USD
Brilliant Earth$1,370 USD

31 data points across 12 retailers

17 retailers$241 USD to $1,370 USD

A+
Cheapest Retailer
-
$241 USD
Final sale: no returns
Retailer 2
-
$243 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$282 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$294 USD
HK$2,300 HKD
View
Retailer 5
-
$301 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$302 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$360 USD
View
A
Retailer 8
-
$479 USD
€456 EUR
View
A
Retailer 9
-
$497 USD
£391 GBP
View
A
Retailer 10
-
$499 USD
ZAR 8,065 ZAR
View
A
Retailer 11
-
$503 USD
View
B+
Retailer 12
-
$709 USD
A$1,091 AUD
View
B+
Retailer 13
-
$722 USD
SGD 975 SGD
View
B+
Retailer 14
-
$945 USD
View
Retailer 15
-
$967 USD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$1,171 USD
£922 GBP
View
Most Expensive
B
Brilliant Earth
20663605A · Oct 31
$1,370 USD
View
16 more retailers have this diamond
Prices start from $241 USDSave up to $1,129 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
$241 USD