Radiant|Lab Grown|IGI

3.05ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG522238974

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

Certificate IGI LG522238974

Diamond specifications and retailer prices

From $2,030 USD
As of November 2, 2026
Save $7,840 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,732 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522238974 or 522238974. Listed at 13 retailers as of November 1, 2026, with a 386% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.6°
Pavilion angle28°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522238974
Dimensions8.98 × 7.01 × 4.80 mm
L/W Ratio1.28
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
8.98 mm7.01 mm3.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522238974
Side View
Table 66.0%Crown 52.6°Girdle: STK-THKPavilion 28°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $16,732 USD|Low: $2,030 USD|High: $22,285 USD|Avg: $9,943 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7$2,030 USD
Retailer 6$7,346 USD
Retailer 5$7,437 USD
Retailer 12$7,829 USD
Retailer 10$8,228 USD
Retailer 13$8,470 USD
Retailer 8$8,522 USD
Retailer 3$8,743 USD
Retailer 2$9,635 USD
Retailer 9$9,870 USD
Retailer 4$10,979 USD
MOH London$16,732 USD
Retailer 11$22,285 USD

16 data points across 13 retailers

13 retailers$2,030 USD to $9,870 USD

B+
Cheapest Retailer
-
$2,030 USD
B
Retailer 2
-
$7,346 USD
View
B
Retailer 3
-
$7,640 USD
View
B
Retailer 4
-
$7,829 USD
View
B
Retailer 5
-
$8,228 USD
View
Final sale: no returns
B
Retailer 6
-
$8,470 USD
View
B
Retailer 7
-
$8,522 USD
View
Retailer 8
-
$8,522 USD
View
Price last confirmed 21 days ago
B
Retailer 9
-
$9,584 USD
View
B
Retailer 10
-
$9,635 USD
View
B
Retailer 11
-
$9,870 USD
View
Most Expensive
MOH London
LG522238974 · Nov 1
$16,732 USD
£13,175 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $2,030 USDSave up to $7,840 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+
3.05ct Radiant
$2,030 USD