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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 $1,118 NZD
$630 USD
As of November 1, 2026
Save $8,818 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,936 NZD 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 $1,118 to $9,936, a $8,818 spread on the same certified stone. Do Amore Diamonds lists it at $9,936. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,267 NZD|Low: $894 NZD|High: $5,926 NZD|Avg: $2,883 NZD|+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$1,118 NZD
Retailer 2$1,217 NZD
Retailer 12$1,253 NZD
Retailer 10$1,297 NZD
Retailer 6$1,615 NZD
Retailer 11$2,120 NZD
Retailer 13$2,122 NZD
Retailer 1$2,267 NZD
Retailer 8$3,313 NZD
Retailer 3$4,026 NZD
Retailer 5$5,398 NZD
Retailer 7$5,654 NZD
Retailer 4$5,926 NZD

42 data points across 13 retailers

14 retailers$1,118 NZD to $9,936 NZD

A
Cheapest Retailer
-
$1,118 NZD
$630 USD
A
Retailer 2
-
$1,217 NZD
$686 USD
View
A
Retailer 3
-
$1,253 NZD
$706 USD
View
Final sale: no returns
Retailer 4
-
$1,297 NZD
$731 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,297 NZD
$731 USD
View
A
Retailer 6
-
$1,615 NZD
$910 USD
View
B+
Retailer 7
-
$2,120 NZD
$1,195 USD
View
B+
Retailer 8
-
$2,122 NZD
$1,196 USD
View
B+
Retailer 9
-
$2,267 NZD
£1,006 GBP
View
B+
Retailer 10
-
$2,369 NZD
$1,335 USD
View
B
Retailer 11
-
$3,313 NZD
$1,867 USD
View
B
Retailer 12
-
$4,026 NZD
$2,269 USD
View
B
Retailer 13
-
$5,654 NZD
£2,509 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B91B036F · Nov 2
$9,936 NZD
$5,600 USD
View
13 more retailers have this diamond
Prices start from $1,118 NZDSave up to $8,818 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
5.12ct Round
$1,118 NZD