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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG655442512

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655442512

Diamond specifications and retailer prices

From $273 USD
As of October 28, 2026
Save $1,447 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,720 USD at Brilliant Earth · As of October 28, 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 LG655442512 or 655442512. Listed at 22 retailers as of October 28, 2026, with prices from $273 to $1,720, a $1,447 spread on the same certified stone. Brilliant Earth lists it at $1,720. 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 angle36.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442512
Dimensions10.33 × 5.20 × 3.28 mm
L/W Ratio1.99
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
10.33 mm5.20 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442512
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 39.2°Culet: NoneDepth 63.1%

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 28
Current: $1,720 USD|Low: $273 USD|High: $1,830 USD|Avg: $789 USD|-6.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 8$273 USD
Retailer 19$302 USD
Retailer 4$333 USD
Retailer 9$408 USD
Retailer 14$520 USD
Retailer 16$520 USD
Retailer 6$533 USD
Retailer 11$550 USD
Retailer 2$572 USD
Retailer 18$586 USD
Retailer 15$738 USD
Retailer 17$760 USD
Retailer 10$814 USD
Retailer 5$972 USD
Retailer 7$1,024 USD
Retailer 13$1,044 USD
Retailer 12$1,173 USD
Retailer 3$1,219 USD
Retailer 20$1,334 USD
Brilliant Earth$1,720 USD

42 data points across 20 retailers

22 retailers$273 USD to $1,720 USD

A
Retailer 1
-
$244 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$302 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$302 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$305 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$333 USD
HK$2,600 HKD
View
A
Retailer 7
-
$408 USD
View
A
Retailer 8
-
$520 USD
ZAR 8,395 ZAR
View
A
Retailer 9
-
$520 USD
€495 EUR
View
A
Retailer 10
-
$533 USD
View
A
Retailer 11
-
$572 USD
£451 GBP
View
A
Retailer 12
-
$586 USD
View
B+
Retailer 13
-
$738 USD
A$1,135 AUD
View
B+
Retailer 14
-
$760 USD
View
B+
Retailer 15
-
$814 USD
SGD 1,100 SGD
View
B+
Retailer 16
-
$972 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,024 USD
View
B+
Retailer 18
-
$1,044 USD
A$1,606 AUD
View
B
Retailer 19
-
$1,152 USD
View
Price last confirmed 80 days ago
B+
Retailer 20
-
$1,219 USD
£960 GBP
View
B
Retailer 21
-
$1,334 USD
View
Most Expensive
B
Brilliant Earth
14009317A · Oct 28
$1,720 USD
View
21 more retailers have this diamond
Prices start from $273 USDSave up to $1,447 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
$273 USD