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Radiant|Lab Grown|IGI

4.31ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG800643859

Certificate IGI LG800643859

Diamond specifications and retailer prices

From $5,283 USD
Save $25,711 USD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $30,994 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800643859 or 800643859. Listed at 26 retailers, with prices from $5,283 to $30,994 at With Clarity, a $25,711 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
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800643859
Dimensions11.57 × 8.14 × 5.47 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm8.14 mm4.31 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800643859
Side View
Table 65.0%Crown 39.8°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 67.2%

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: $12,806 USD|Low: $4,225 USD|High: $30,374 USD|Avg: $12,220 USD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
September 29, 2026
Retailer 9$5,725 USD
Retailer 18$6,044 USD
Retailer 15$6,128 USD
Retailer 6$6,140 USD
Retailer 19$6,212 USD
Retailer 16$6,997 USD
Retailer 3$7,166 USD
Retailer 12$7,964 USD
Retailer 20$8,687 USD
Retailer 5$8,992 USD
Retailer 17$9,371 USD
Retailer 14$12,620 USD
Retailer 1$12,806 USD
Retailer 11$12,892 USD
Retailer 2$15,740 USD
Retailer 7$16,119 USD
Retailer 8$16,464 USD
Retailer 10$17,042 USD
Retailer 4$17,050 USD
Retailer 13$21,841 USD
With Clarity$30,374 USD

37 data points across 21 retailers

26 retailers$5,283 USD to $30,994 USD

A
Cheapest Retailer
-
$5,283 USD
A
Retailer 2
-
$5,537 USD
View
A
Retailer 3
-
$5,725 USD
CA$7,952 CAD
View
A
Retailer 4
-
$6,044 USD
View
A
Retailer 5
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$6,063 USD
View
A
Retailer 6
-
$6,128 USD
View
A
Retailer 7
-
$6,140 USD
View
A
Retailer 8
-
$6,212 USD
View
A
Retailer 9
-
$6,997 USD
View
A
Retailer 10
-
$7,166 USD
View
A
Retailer 11
-
$7,982 USD
£6,285 GBP
View
B+
Retailer 12
-
$8,687 USD
£6,840 GBP
View
B+
Retailer 13
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$8,992 USD
View
B+
Retailer 14
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$9,371 USD
€8,925 EUR
View
B+
Retailer 15
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$12,620 USD
£9,937 GBP
View
B+
Retailer 16
-
$12,806 USD
ZAR 206,883 ZAR
View
B+
Retailer 17
-
$12,892 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$13,233 USD
View
B
Retailer 19
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$15,740 USD
View
B
Retailer 20
-
$16,119 USD
View
B
Retailer 21
-
$16,464 USD
View
B
Retailer 22
-
$17,042 USD
View
B
Retailer 23
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$17,050 USD
View
Price last confirmed 19 days ago
B
Retailer 24
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$17,050 USD
View
B
Retailer 25
-
$21,841 USD
View
Most Expensive
B
With Clarity
800643859 · Sep 30
$30,994 USD
View
25 more retailers have this diamond
Prices start from $5,283 USDSave up to $25,711 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
$5,283 USD