Radiant|Lab Grown|IGI

1.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG778641287

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

Certificate IGI LG778641287

Diamond specifications and retailer prices

From $226 USD
As of October 30, 2026
Save $1,494 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,155 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG778641287 or 778641287. Listed at 19 retailers as of October 30, 2026, with a 661% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778641287
Dimensions7.34 × 5.03 × 3.14 mm
L/W Ratio1.46
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
7.34 mm5.03 mm1.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778641287
Side View
Table 66.0%Crown 43.4°Girdle: MediumPavilion 32.2°Culet: NoneDepth 62.4%

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 30
Current: $2,155 USD|Low: $226 USD|High: $2,650 USD|Avg: $780 USD|-1.8%
Rare Carat
Retailer 2
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Retailer 20
November 1, 2026
Retailer 17$226 USD
Retailer 7$252 USD
Retailer 9$262 USD
Retailer 4$280 USD
Retailer 8$280 USD
Retailer 5$477 USD
Retailer 16$481 USD
Retailer 14$495 USD
Retailer 18$513 USD
Retailer 13$518 USD
Retailer 12$555 USD
Retailer 3$567 USD
Retailer 11$804 USD
Retailer 6$899 USD
Retailer 19$903 USD
Retailer 20$952 USD
Retailer 10$1,039 USD
Retailer 2$1,121 USD
Retailer 15$1,720 USD
Rare Carat$2,155 USD

33 data points across 20 retailers

19 retailers$226 USD to $1,720 USD

A+
Cheapest Retailer
-
$226 USD
A
Retailer 2
-
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$262 USD
View
A
Retailer 4
-
$280 USD
View
A
Retailer 5
-
$477 USD
View
A
Retailer 6
-
$481 USD
ZAR 7,766 ZAR
View
A
Retailer 7
-
$495 USD
€471 EUR
View
A
Retailer 8
-
$513 USD
View
A
Retailer 9
-
$518 USD
£408 GBP
View
A
Retailer 10
-
$567 USD
View
B+
Retailer 11
-
$804 USD
SGD 1,087 SGD
View
Retailer 12
-
$853 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$899 USD
View
B+
Retailer 14
-
$903 USD
View
B+
Retailer 15
-
$952 USD
View
B+
Retailer 16
-
$1,039 USD
View
B+
Retailer 17
-
$1,121 USD
£883 GBP
View
B
Retailer 18
-
$1,720 USD
View
Most Expensive
Rare Carat
PD-169006 · Oct 18
$2,155 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from $226 USDSave up to $1,494 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
$226 USD