Radiant|Lab Grown|IGI

1.30ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836617800

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

Certificate IGI LG836617800

Diamond specifications and retailer prices

From $432 USD
As of November 1, 2026
Save $2,138 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,925 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617800 or 836617800. Listed at 12 retailers as of November 1, 2026, with a 495% 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

1.30
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617800
Dimensions7.46 × 5.52 × 3.64 mm
L/W Ratio1.35
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
7.46 mm5.52 mm1.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617800
Side View
Table 66.0%Crown 46.8°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 65.9%

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: Nov 1
Current: $2,925 USD|Low: $432 USD|High: $3,870 USD|Avg: $1,245 USD|-0.5%
Rare Carat
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
October 31, 2026
Retailer 4$432 USD
Retailer 6$478 USD
Retailer 13$499 USD
Retailer 7$625 USD
Retailer 2$647 USD
Retailer 3$762 USD
Retailer 15$822 USD
Retailer 12$857 USD
Retailer 16$918 USD
Retailer 14$1,234 USD
Retailer 11$1,279 USD
Retailer 10$1,439 USD
Retailer 8$1,575 USD
Retailer 5$1,891 USD
Retailer 9$2,570 USD
Rare Carat$2,925 USD

12 data points across 16 retailers

12 retailers$432 USD to $2,570 USD

Retailer 1
-
$370 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$432 USD
View
Final sale: no returns
Retailer 3
-
$478 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$647 USD
€616 EUR
View
Retailer 5
-
$822 USD
ZAR 13,286 ZAR
View
Price last confirmed 28 days ago
Retailer 6
-
$1,234 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$1,279 USD
SGD 1,729 SGD
View
B
Retailer 8
-
$1,439 USD
View
Retailer 9
-
$1,575 USD
View
Price last confirmed 28 days ago
Retailer 10
-
$1,891 USD
£1,489 GBP
View
Price last confirmed 29 days ago
B
Retailer 11
-
$2,570 USD
View
Most Expensive
Rare Carat
JH-247174 · Oct 21
$2,925 USD
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from $432 USDSave up to $2,138 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
1.30ct Radiant
$432 USD