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Round|Lab Grown|IGI

12.34ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG569325821

Shape and cutting style on the report: Round brilliant

Certificate IGI LG569325821

Diamond specifications and retailer prices

From $1,493 USD
£1,176 GBP
As of October 30, 2026
Save $6,199 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,692 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 12.34ct lab-grown round diamond

This 12.34ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG569325821 or 569325821. Listed at 11 retailers as of October 30, 2026, with prices from $1,493 to $7,692, a $6,199 spread on the same certified stone. Adiamor lists it at $7,692. 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

12.34
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569325821
Dimensions15.02 × 14.93 × 9.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.02 mm14.93 mm12.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569325821
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.3%

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: Oct 30
Current: $7,692 USD|Low: $1,493 USD|High: $25,075 USD|Avg: $6,530 USD
Adiamor
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
October 31, 2026
Retailer 7$1,493 USD
Retailer 9$1,598 USD
Retailer 13$1,853 USD
Retailer 10$2,025 USD
Retailer 14$2,189 USD
Retailer 12$2,441 USD
Retailer 8$2,616 USD
Retailer 11$2,947 USD
Retailer 2$3,277 USD
Retailer 3$3,474 USD
Adiamor$7,692 USD
Retailer 4$7,939 USD
Retailer 6$18,420 USD
Retailer 5$25,075 USD

4 data points across 14 retailers

11 retailers$1,493 USD to $7,692 USD

A
Cheapest Retailer
-
$1,493 USD
£1,176 GBP
A
Retailer 2
-
$1,598 USD
View
A
Retailer 3
-
$1,853 USD
View
A
Retailer 4
-
$2,025 USD
View
A
Retailer 5
-
$2,189 USD
HK$17,100 HKD
View
A
Retailer 6
-
$2,441 USD
View
A
Retailer 7
-
$2,616 USD
£2,059 GBP
View
A
Retailer 8
-
$2,947 USD
€2,807 EUR
View
A
Retailer 9
-
$3,277 USD
View
B+
Retailer 10
-
$3,474 USD
View
Most Expensive
B
Adiamor
D-82831567 · Oct 31
$7,692 USD
View
10 more retailers have this diamond
Prices start from $1,493 USDSave up to $6,199 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
12.34ct Round
$1,493 USD