Radiant|Lab Grown|IGI

3.05ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG536211223

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

Certificate IGI LG536211223

Diamond specifications and retailer prices

From $657 USD
As of October 28, 2026
Save $692 USD (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,636 USD at MOH London · As of October 21, 2026
View at MOH London

About this 3.05ct lab-grown radiant diamond

This 3.05ct 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 LG536211223 or 536211223. Listed at 5 retailers as of October 28, 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

3.05
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536211223
Dimensions9.55 × 7.67 × 5.12 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
9.55 mm7.67 mm3.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536211223
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 66.8%

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 28
Current: $1,636 USD|Low: $545 USD|High: $1,646 USD|Avg: $1,080 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 24, 2026
Retailer 3$657 USD
Retailer 5$724 USD
Retailer 4$1,084 USD
Retailer 2$1,349 USD
MOH London$1,636 USD

12 data points across 5 retailers

5 retailers$657 USD to $1,349 USD

B+
Cheapest Retailer
-
$657 USD
A
Retailer 2
-
$724 USD
View
A
Retailer 3
-
$1,084 USD
View
B+
Retailer 4
-
$1,349 USD
View
Most Expensive
MOH London
LG536211223 · Oct 21
$1,636 USD
£1,288 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from $657 USDSave up to $692 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
3.05ct Radiant
$657 USD