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Radiant|Lab Grown|IGI

1.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831628614

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG831628614

Diamond specifications and retailer prices

From $338 USD
As of October 30, 2026
Save $2,332 USD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,670 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831628614 or 831628614. Listed at 26 retailers as of October 30, 2026, with prices from $338 to $2,670, a $2,332 spread on the same certified stone. Brilliant Earth lists it at $2,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831628614
Dimensions7.14 × 4.93 × 3.38 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.14 mm4.93 mm1.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831628614
Side View
Table 66.0%Crown 30.4°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.6%

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: $2,670 USD|Low: $324 USD|High: $3,000 USD|Avg: $982 USD|-1.5%
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
November 1, 2026
Retailer 5$338 USD
Retailer 6$419 USD
Retailer 4$466 USD
Retailer 2$476 USD
Retailer 14$570 USD
Retailer 3$620 USD
Retailer 8$711 USD
Retailer 12$795 USD
Retailer 7$836 USD
Retailer 9$1,229 USD
Retailer 10$1,642 USD
Retailer 11$1,817 USD
Retailer 13$2,540 USD
Brilliant Earth$2,670 USD

32 data points across 14 retailers

26 retailers$338 USD to $2,670 USD

A
Cheapest Retailer
-
$338 USD
A
Retailer 2
-
$379 USD
View
Final sale: no returns
A
Retailer 3
-
$392 USD
View
Retailer 4
-
$419 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$419 USD
View
A
Retailer 6
-
$466 USD
View
A
Retailer 7
-
$476 USD
£375 GBP
View
A
Retailer 8
-
$505 USD
View
A
Retailer 9
-
$570 USD
View
B+
Retailer 10
-
$620 USD
View
Retailer 11
-
$694 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$711 USD
€677 EUR
View
B+
Retailer 13
-
$795 USD
ZAR 12,844 ZAR
View
B+
Retailer 14
-
$836 USD
£658 GBP
View
B+
Retailer 15
-
$1,005 USD
View
B
Retailer 16
-
$1,229 USD
View
B
Retailer 17
-
$1,275 USD
View
B
Retailer 18
-
$1,382 USD
CA$1,919 CAD
View
B
Retailer 19
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$1,487 USD
View
B
Retailer 20
-
$1,628 USD
View
B
Retailer 21
-
$1,631 USD
View
B
Retailer 22
-
$1,642 USD
View
B
Retailer 23
-
$1,817 USD
£1,431 GBP
View
B
Retailer 24
-
$1,974 USD
View
B
Retailer 25
-
$2,540 USD
View
Most Expensive
B
Brilliant Earth
21654900A · Oct 31
$2,670 USD
View
25 more retailers have this diamond
Prices start from $338 USDSave up to $2,332 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 Radiant
$338 USD