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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 €1,109 EUR
$1,239 USD
As of October 29, 2026
Save €4,199 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,308 EUR 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 €1,109 to €5,308, a €4,199 spread on the same certified stone. Brilliant Earth lists it at €5,308. 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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Price History

Last verified: Oct 29
Current: €5,308 EUR|Low: €1,109 EUR|High: €6,516 EUR|Avg: €2,416 EUR|-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€1,109 EUR
Retailer 11€1,207 EUR
Retailer 3€1,287 EUR
Retailer 13€1,287 EUR
Retailer 12€1,308 EUR
Retailer 8€1,441 EUR
Retailer 6€1,791 EUR
Retailer 9€1,806 EUR
Retailer 5€2,038 EUR
Retailer 2€2,111 EUR
Retailer 14€2,412 EUR
Retailer 4€2,465 EUR
Retailer 10€4,156 EUR
Retailer 7€5,094 EUR
Brilliant Earth€5,308 EUR

39 data points across 15 retailers

15 retailers€1,109 EUR to €5,308 EUR

A
Cheapest Retailer
-
€1,109 EUR
$1,239 USD
A
Retailer 2
-
€1,207 EUR
$1,348 USD
View
Retailer 3
-
€1,287 EUR
$1,438 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
€1,287 EUR
$1,438 USD
View
Retailer 5
-
€1,308 EUR
£1,151 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€1,441 EUR
$1,610 USD
View
B+
Retailer 7
-
€1,791 EUR
$2,001 USD
View
B+
Retailer 8
-
€1,806 EUR
£1,588 GBP
View
B+
Retailer 9
-
€2,038 EUR
$2,277 USD
View
B+
Retailer 10
-
€2,111 EUR
View
B+
Retailer 11
-
€2,412 EUR
$2,695 USD
View
B
Retailer 12
-
€2,465 EUR
$2,754 USD
View
B
Retailer 13
-
€4,156 EUR
£3,656 GBP
View
B
Retailer 14
-
€5,094 EUR
$5,691 USD
View
Most Expensive
B
Brilliant Earth
8384613A · Oct 29
€5,308 EUR
$5,930 USD
View
14 more retailers have this diamond
Prices start from €1,109 EURSave up to €4,199 EUR

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
€1,109 EUR