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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 $897 AUD
$630 USD
As of November 1, 2026
Save $7,075 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,972 AUD at Do Amore Diamonds · As of October 31, 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 October 31, 2026, with prices from $897 to $7,972, a $7,075 spread on the same certified stone. Do Amore Diamonds lists it at $7,972. 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: $1,819 AUD|Low: $717 AUD|High: $4,755 AUD|Avg: $2,282 AUD|+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
Retailer 14
November 1, 2026
Retailer 10$897 AUD
Retailer 2$977 AUD
Retailer 13$1,005 AUD
Retailer 11$1,041 AUD
Retailer 7$1,295 AUD
Retailer 12$1,701 AUD
Retailer 14$1,703 AUD
Retailer 1$1,819 AUD
Retailer 6$1,901 AUD
Retailer 9$2,658 AUD
Retailer 3$3,230 AUD
Retailer 5$4,331 AUD
Retailer 8$4,536 AUD
Retailer 4$4,755 AUD

41 data points across 14 retailers

14 retailers$897 AUD to $7,972 AUD

A
Cheapest Retailer
-
$897 AUD
$630 USD
A
Retailer 2
-
$977 AUD
$686 USD
View
A
Retailer 3
-
$1,005 AUD
$706 USD
View
Final sale: no returns
Retailer 4
-
$1,041 AUD
$731 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,041 AUD
$731 USD
View
A
Retailer 6
-
$1,295 AUD
$910 USD
View
B+
Retailer 7
-
$1,701 AUD
$1,195 USD
View
B+
Retailer 8
-
$1,703 AUD
$1,196 USD
View
B+
Retailer 9
-
$1,819 AUD
£1,006 GBP
View
B+
Retailer 10
-
$1,901 AUD
$1,335 USD
View
B
Retailer 11
-
$2,658 AUD
$1,867 USD
View
B
Retailer 12
-
$3,230 AUD
$2,269 USD
View
B
Retailer 13
-
$4,536 AUD
£2,509 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B91B036F · Oct 31
$7,972 AUD
$5,600 USD
View
13 more retailers have this diamond
Prices start from $897 AUDSave up to $7,075 AUD

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
$897 AUD