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9.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG602300701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602300701

Diamond specifications and retailer prices

From $2,198 NZD
$1,239 USD
As of November 1, 2026
Save $8,323 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,522 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 9.12ct lab-grown round diamond

This 9.12ct 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 LG602300701 or 602300701. Listed at 15 retailers as of October 31, 2026, with prices from $2,198 to $10,522, a $8,323 spread on the same certified stone. Brilliant Earth lists it at $10,522. 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

9.12
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602300701
Dimensions13.42 × 13.36 × 8.30 mm
L/W Ratio1.00
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
13.42 mm13.36 mm9.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602300701
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°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: $10,522 NZD|Low: $2,198 NZD|High: $12,917 NZD|Avg: $4,766 NZD|-18.5%
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 15$2,198 NZD
Retailer 11$2,392 NZD
Retailer 3$2,551 NZD
Retailer 13$2,551 NZD
Retailer 12$2,593 NZD
Retailer 10$2,857 NZD
Retailer 6$3,550 NZD
Retailer 2$3,579 NZD
Retailer 5$4,040 NZD
Retailer 9$4,184 NZD
Retailer 14$4,782 NZD
Retailer 4$4,886 NZD
Retailer 8$8,195 NZD
Retailer 7$10,098 NZD
Brilliant Earth$10,522 NZD

40 data points across 15 retailers

15 retailers$2,198 NZD to $10,522 NZD

A
Cheapest Retailer
-
$2,198 NZD
$1,239 USD
A
Retailer 2
-
$2,392 NZD
$1,348 USD
View
Retailer 3
-
$2,551 NZD
$1,438 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$2,551 NZD
$1,438 USD
View
Retailer 5
-
$2,593 NZD
£1,151 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,857 NZD
$1,610 USD
View
B+
Retailer 7
-
$3,550 NZD
$2,001 USD
View
B+
Retailer 8
-
$3,579 NZD
£1,588 GBP
View
B+
Retailer 9
-
$4,040 NZD
$2,277 USD
View
B+
Retailer 10
-
$4,184 NZD
€2,246 EUR
View
B+
Retailer 11
-
$4,782 NZD
$2,695 USD
View
B
Retailer 12
-
$4,886 NZD
$2,754 USD
View
B
Retailer 13
-
$8,195 NZD
£3,637 GBP
View
B
Retailer 14
-
$10,098 NZD
$5,691 USD
View
Most Expensive
B
Brilliant Earth
8384613A · Oct 31
$10,522 NZD
$5,930 USD
View
14 more retailers have this diamond
Prices start from $2,198 NZDSave up to $8,323 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
9.12ct Round
$2,198 NZD