Radiant|Lab Grown|IGI

4.31ct D IF Radiant Lab Grown Diamond

- • D/IF • IGI LG754595531

Certificate IGI LG754595531

Diamond specifications and retailer prices

From $4,084 USD
Save $17,186 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $21,270 USD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG754595531 or 754595531. Listed at 21 retailers, with prices from $4,084 to $21,270 at Brilliant Earth, a $17,186 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.31
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595531
Dimensions8.24 × 8.24 × 11.45 mm
L/W Ratio1.00
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
8.24 mm8.24 mm4.31 ctD / IF
OriginLab Grown
Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595531
Side View
Table 61.0%Crown 40.4°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.0%

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: $21,270 USD|Low: $4,084 USD|High: $21,320 USD|Avg: $10,839 USD|-0.2%
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
October 1, 2026
Retailer 12$4,084 USD
Retailer 16$4,280 USD
Retailer 19$4,502 USD
Retailer 7$4,672 USD
Retailer 10$5,561 USD
Retailer 8$5,826 USD
Retailer 18$5,914 USD
Retailer 6$6,298 USD
Retailer 13$6,391 USD
Retailer 5$6,645 USD
Retailer 3$7,564 USD
Retailer 14$9,899 USD
Retailer 15$10,269 USD
Retailer 11$12,706 USD
Retailer 2$15,387 USD
Retailer 4$16,830 USD
Retailer 9$17,129 USD
Retailer 17$18,389 USD
Brilliant Earth$21,270 USD

35 data points across 19 retailers

21 retailers$4,084 USD to $21,270 USD

A
Cheapest Retailer
-
$4,084 USD
A
Retailer 2
-
$4,280 USD
View
A
Retailer 3
-
$4,502 USD
View
A
Retailer 4
-
$4,672 USD
View
A
Retailer 5
-
$5,561 USD
View
A
Retailer 6
-
$5,826 USD
View
A
Retailer 7
-
$5,914 USD
HK$46,200 HKD
View
A
Retailer 8
-
$5,920 USD
View
A
Retailer 9
-
$6,255 USD
£4,925 GBP
View
Price last confirmed 21 days ago
A
Retailer 10
-
$6,298 USD
View
A
Retailer 11
-
$6,406 USD
£5,044 GBP
View
A
Retailer 12
-
$6,645 USD
£5,232 GBP
View
A
Retailer 13
-
$7,564 USD
€7,204 EUR
View
B+
Retailer 14
-
$9,899 USD
ZAR 159,923 ZAR
View
B+
Retailer 15
-
$10,269 USD
£8,086 GBP
View
B+
Retailer 16
-
$12,706 USD
View
B
Retailer 17
-
$15,387 USD
A$23,672 AUD
View
B
Retailer 18
-
$16,830 USD
View
B
Retailer 19
-
$17,129 USD
SGD 23,147 SGD
View
B
Retailer 20
-
$18,764 USD
View
Most Expensive
B
Brilliant Earth
18146580A · Oct 1
$21,270 USD
View
20 more retailers have this diamond
Prices start from $4,084 USDSave up to $17,186 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
$4,084 USD