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Radiant|Lab Grown|IGI

3.11ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG536210926

Shape and cutting style on the report: Radiant cut

Certificate IGI LG536210926

Diamond specifications and retailer prices

From $1,187 NZD
$668 USD
As of November 1, 2026
Save $1,251 NZD (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,975 NZD at MOH London · As of October 15, 2026
View at MOH London

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG536210926 or 536210926. Listed at 5 retailers as of October 31, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.11
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536210926
Dimensions9.59 × 7.67 × 5.21 mm
L/W Ratio1.25
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
9.59 mm7.67 mm3.11 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536210926
Side View
Table 63.5%Crown 33.6°Girdle: MediumPavilion 37.5°Culet: NoneDepth 67.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $2,975 NZD|Low: $986 NZD|High: $2,979 NZD|Avg: $1,977 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 24, 2026
Retailer 3$1,187 NZD
Retailer 5$1,303 NZD
Retailer 4$1,996 NZD
Retailer 2$2,438 NZD
MOH London$2,975 NZD

11 data points across 5 retailers

5 retailers$1,187 NZD to $2,438 NZD

B+
Cheapest Retailer
-
$1,187 NZD
$668 USD
A
Retailer 2
-
$1,303 NZD
$733 USD
View
A
Retailer 3
-
$1,996 NZD
$1,123 USD
View
B+
Retailer 4
-
$2,438 NZD
$1,372 USD
View
Most Expensive
MOH London
LG536210926 · Oct 15
$2,975 NZD
£1,318 GBP
View
Price last confirmed 18 days ago
4 more retailers have this diamond
Prices start from $1,187 NZDSave up to $1,251 NZD

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
3.11ct Radiant
$1,187 NZD