Radiant|Lab Grown|IGI

4.31ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG768629106

Certificate IGI LG768629106

Diamond specifications and retailer prices

From $6,109 USD
Save $20,777 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,886 USD at With Clarity
View at With Clarity

About this 4.31ct lab-grown radiant diamond

This 4.31ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629106 or 768629106. Listed at 13 retailers, with prices from $6,109 to $26,886 at With Clarity, a $20,777 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.31
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629106
Dimensions11.64 × 8.19 × 5.31 mm
L/W Ratio1.42
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
11.64 mm8.19 mm4.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629106
Side View
Table 63.0%Crown 39.7°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $12,922 USD|Low: $4,516 USD|High: $26,348 USD|Avg: $13,384 USD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 1, 2026
Retailer 4$4,516 USD
Retailer 13$6,109 USD
Retailer 3$6,889 USD
Retailer 8$7,790 USD
Retailer 7$8,180 USD
Retailer 5$8,486 USD
Retailer 12$10,838 USD
Retailer 1$12,922 USD
Retailer 9$13,091 USD
Retailer 11$13,984 USD
Retailer 6$17,030 USD
Retailer 10$22,272 USD
Retailer 2$23,390 USD
With Clarity$26,348 USD

34 data points across 14 retailers

13 retailers$6,109 USD to $26,886 USD

A
Cheapest Retailer
-
$6,109 USD
A
Retailer 2
-
$6,889 USD
View
A
Retailer 3
-
$7,790 USD
View
A
Retailer 4
-
$8,180 USD
£6,441 GBP
View
B+
Retailer 5
-
$8,486 USD
HK$66,300 HKD
View
B+
Retailer 6
-
$10,838 USD
€10,322 EUR
View
B+
Retailer 7
-
$12,922 USD
£10,175 GBP
View
B+
Retailer 8
-
$13,091 USD
View
B
Retailer 9
-
$13,984 USD
ZAR 225,913 ZAR
View
B
Retailer 10
-
$17,030 USD
View
B
Retailer 11
-
$22,272 USD
View
B
Retailer 12
-
$23,390 USD
View
Most Expensive
B
With Clarity
768629106 · Sep 30
$26,886 USD
View
12 more retailers have this diamond
Prices start from $6,109 USDSave up to $20,777 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.

A
4.31ct Radiant
$6,109 USD