Radiant|Lab Grown|IGI

3.10ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG818617348

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

Certificate IGI LG818617348

Diamond specifications and retailer prices

From $496 USD
As of October 30, 2026
Save $3,374 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,870 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818617348 or 818617348. Listed at 20 retailers as of October 30, 2026, with prices from $496 to $3,870, a $3,374 spread on the same certified stone. Brilliant Earth lists it at $3,870. 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

3.10
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818617348
Dimensions10.14 × 7.32 × 4.87 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm7.32 mm3.10 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818617348
Side View
Table 58.0%Crown 35.1°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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: Oct 30
Current: $3,870 USD|Low: $476 USD|High: $5,660 USD|Avg: $1,384 USD|-31.6%
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
November 1, 2026
Retailer 3$496 USD
Retailer 10$554 USD
Retailer 7$555 USD
Retailer 4$615 USD
Retailer 9$921 USD
Retailer 14$930 USD
Retailer 16$957 USD
Retailer 8$986 USD
Retailer 2$1,014 USD
Retailer 11$1,299 USD
Retailer 13$1,335 USD
Retailer 15$1,429 USD
Retailer 6$1,617 USD
Retailer 5$2,300 USD
Retailer 12$2,581 USD
Brilliant Earth$3,870 USD

44 data points across 16 retailers

20 retailers$496 USD to $3,870 USD

A
Cheapest Retailer
-
$496 USD
A
Retailer 2
-
$554 USD
View
Final sale: no returns
A
Retailer 3
-
$555 USD
View
Retailer 4
-
$607 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$615 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$615 USD
View
A
Retailer 7
-
$921 USD
€877 EUR
View
A
Retailer 8
-
$930 USD
View
Retailer 9
-
$957 USD
View
Price last confirmed 20 days ago
A
Retailer 10
-
$986 USD
View
A
Retailer 11
-
$1,014 USD
£799 GBP
View
A
Retailer 12
-
$1,254 USD
View
A
Retailer 13
-
$1,299 USD
A$1,998 AUD
View
A
Retailer 14
-
$1,335 USD
ZAR 21,567 ZAR
View
B+
Retailer 15
-
$1,429 USD
View
B+
Retailer 16
-
$1,617 USD
View
B+
Retailer 17
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$2,004 USD
View
B
Retailer 18
-
$2,300 USD
View
B
Retailer 19
-
$2,581 USD
£2,032 GBP
View
Most Expensive
B
Brilliant Earth
20727381A · Oct 31
$3,870 USD
View
19 more retailers have this diamond
Prices start from $496 USDSave up to $3,374 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
3.10ct Radiant
$496 USD