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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 $2,649 NZD
£1,176 GBP
As of October 30, 2026
Save $10,999 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,648 NZD 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 $2,649 to $13,648, a $10,999 spread on the same certified stone. Adiamor lists it at $13,648. 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
Colour
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

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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 30
Current: $13,648 NZD|Low: $2,649 NZD|High: $44,490 NZD|Avg: $11,586 NZD
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$2,649 NZD
Retailer 9$2,835 NZD
Retailer 13$3,288 NZD
Retailer 10$3,593 NZD
Retailer 14$3,884 NZD
Retailer 12$4,331 NZD
Retailer 8$4,641 NZD
Retailer 11$5,229 NZD
Retailer 2$5,814 NZD
Retailer 3$6,164 NZD
Adiamor$13,648 NZD
Retailer 4$14,086 NZD
Retailer 6$32,683 NZD
Retailer 5$44,490 NZD

4 data points across 14 retailers

11 retailers$2,649 NZD to $13,648 NZD

A
Cheapest Retailer
-
$2,649 NZD
£1,176 GBP
A
Retailer 2
-
$2,835 NZD
$1,598 USD
View
A
Retailer 3
-
$3,288 NZD
$1,853 USD
View
A
Retailer 4
-
$3,593 NZD
$2,025 USD
View
A
Retailer 5
-
$3,884 NZD
HK$17,100 HKD
View
A
Retailer 6
-
$4,331 NZD
$2,441 USD
View
A
Retailer 7
-
$4,641 NZD
£2,059 GBP
View
A
Retailer 8
-
$5,229 NZD
€2,807 EUR
View
A
Retailer 9
-
$5,814 NZD
$3,277 USD
View
B+
Retailer 10
-
$6,164 NZD
$3,474 USD
View
Most Expensive
B
Adiamor
D-82831567 · Oct 31
$13,648 NZD
$7,692 USD
View
10 more retailers have this diamond
Prices start from $2,649 NZDSave up to $10,999 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
12.34ct Round
$2,649 NZD