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Round|Lab Grown|IGI

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 $1,239 USD
As of October 29, 2026
Save $4,691 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,930 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $1,239 to $5,930, a $4,691 spread on the same certified stone. Brilliant Earth lists it at $5,930. 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
Color
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

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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: Oct 29
Current: $5,930 USD|Low: $1,239 USD|High: $7,280 USD|Avg: $2,709 USD|-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
October 31, 2026
Retailer 15$1,239 USD
Retailer 11$1,348 USD
Retailer 3$1,438 USD
Retailer 13$1,438 USD
Retailer 12$1,462 USD
Retailer 8$1,610 USD
Retailer 6$2,001 USD
Retailer 9$2,017 USD
Retailer 5$2,277 USD
Retailer 2$2,358 USD
Retailer 14$2,695 USD
Retailer 4$2,754 USD
Retailer 10$4,643 USD
Retailer 7$5,691 USD
Brilliant Earth$5,930 USD

40 data points across 15 retailers

15 retailers$1,239 USD to $5,930 USD

A
Cheapest Retailer
-
$1,239 USD
A
Retailer 2
-
$1,348 USD
View
Retailer 3
-
$1,438 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$1,438 USD
View
Retailer 5
-
$1,462 USD
£1,151 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,610 USD
View
B+
Retailer 7
-
$2,001 USD
View
B+
Retailer 8
-
$2,017 USD
£1,588 GBP
View
B+
Retailer 9
-
$2,277 USD
View
B+
Retailer 10
-
$2,358 USD
€2,246 EUR
View
B+
Retailer 11
-
$2,695 USD
View
B
Retailer 12
-
$2,754 USD
View
B
Retailer 13
-
$4,643 USD
£3,656 GBP
View
B
Retailer 14
-
$5,691 USD
View
Most Expensive
B
Brilliant Earth
8384613A · Oct 29
$5,930 USD
View
14 more retailers have this diamond
Prices start from $1,239 USDSave up to $4,691 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
9.12ct Round
$1,239 USD