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Round|Lab Grown|IGI

5.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG532250057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG532250057

Diamond specifications and retailer prices

From $630 USD
As of November 1, 2026
Save $4,970 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,600 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown round diamond

This 5.12ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532250057 or 532250057. Listed at 14 retailers as of November 1, 2026, with prices from $630 to $5,600, a $4,970 spread on the same certified stone. Do Amore Diamonds lists it at $5,600. 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

5.12
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532250057
Dimensions11.04 × 10.97 × 6.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.04 mm10.97 mm5.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532250057
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

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: $1,278 USD|Low: $504 USD|High: $3,340 USD|Avg: $1,625 USD|+3.7%
Retailer 1
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 2, 2026
Retailer 9$630 USD
Retailer 2$686 USD
Retailer 12$706 USD
Retailer 10$731 USD
Retailer 6$910 USD
Retailer 11$1,195 USD
Retailer 13$1,196 USD
Retailer 1$1,278 USD
Retailer 8$1,867 USD
Retailer 3$2,269 USD
Retailer 5$3,042 USD
Retailer 7$3,186 USD
Retailer 4$3,340 USD

42 data points across 13 retailers

14 retailers$630 USD to $5,600 USD

A
Cheapest Retailer
-
$630 USD
A
Retailer 2
-
$686 USD
View
A
Retailer 3
-
$706 USD
View
Final sale: no returns
Retailer 4
-
$731 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$731 USD
View
A
Retailer 6
-
$910 USD
View
B+
Retailer 7
-
$1,195 USD
View
B+
Retailer 8
-
$1,196 USD
View
B+
Retailer 9
-
$1,278 USD
£1,006 GBP
View
B+
Retailer 10
-
$1,335 USD
View
B
Retailer 11
-
$1,867 USD
View
B
Retailer 12
-
$2,269 USD
View
B
Retailer 13
-
$3,186 USD
£2,509 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B91B036F · Nov 2
$5,600 USD
View
13 more retailers have this diamond
Prices start from $630 USDSave up to $4,970 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
5.12ct Round
$630 USD