Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

GD • H/VS1 • IGI LG594321825

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

Certificate IGI LG594321825

Diamond specifications and retailer prices

From $1,376 USD
£1,084 GBP
As of October 31, 2026
5 retailers carry this diamond
Most expensive: $1,990 USD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG594321825 or 594321825. Listed at 5 retailers as of October 31, 2026. 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

3.11
Carat
H
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594321825
Dimensions10.11 × 7.19 × 4.91 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.11 mm7.19 mm3.11 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594321825
Side View
Table 65.0%Crown 43.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 68.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $1,990 USD|Low: $289 USD|High: $2,580 USD|Avg: $1,097 USD
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
Retailer 17
Retailer 18
September 27, 2026
Retailer 3$399 USD
Retailer 11$414 USD
Retailer 18$437 USD
Retailer 15$442 USD
Retailer 10$583 USD
Retailer 6$683 USD
Retailer 16$710 USD
Retailer 17$717 USD
Retailer 4$836 USD
Retailer 2$931 USD
Retailer 13$940 USD
Retailer 5$988 USD
Retailer 9$1,204 USD
Retailer 7$1,463 USD
Retailer 8$1,600 USD
Retailer 12$1,746 USD
Rare Carat$1,990 USD
Retailer 14$2,530 USD

8 data points across 18 retailers

5 retailers

Retailer 1
-
$414 USD
Price last confirmed 34 days ago
Retailer 2
-
$437 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$940 USD
ZAR 15,187 ZAR
View
Price last confirmed 35 days ago
B+
Retailer 4
-
$1,376 USD
£1,084 GBP
View
Most Expensive
Rare Carat
420292 · Sep 9
$1,990 USD
View
Price last confirmed 52 days ago
4 more retailers have this diamond
Prices start from $1,376 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.

B+
3.11ct Radiant
$1,376 USD