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Round|Lab Grown|IGI

12.09ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG610350434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610350434

Diamond specifications and retailer prices

From $7,243 NZD
$4,082 USD
As of November 1, 2026
Save $39,315 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $46,558 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.09ct lab-grown round diamond

This 12.09ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610350434 or 610350434. Listed at 20 retailers as of October 31, 2026, with prices from $7,243 to $46,558, a $39,315 spread on the same certified stone. Brilliant Earth lists it at $46,558. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610350434
Dimensions14.84 × 14.89 × 8.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
14.84 mm14.89 mm12.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610350434
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 41°Culet: NoneDepth 60.1%

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: $46,558 NZD|Low: $6,210 NZD|High: $48,013 NZD|Avg: $13,103 NZD|-3.0%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 18$6,469 NZD
Retailer 7$7,039 NZD
Retailer 9$7,243 NZD
Retailer 3$7,504 NZD
Retailer 16$7,505 NZD
Retailer 6$7,991 NZD
Retailer 8$9,377 NZD
Retailer 2$9,763 NZD
Retailer 17$10,147 NZD
Retailer 14$11,615 NZD
Retailer 5$11,634 NZD
Retailer 10$11,969 NZD
Retailer 13$12,041 NZD
Retailer 11$14,051 NZD
Retailer 15$17,411 NZD
Retailer 12$18,776 NZD
Retailer 4$18,877 NZD
Brilliant Earth$46,558 NZD

43 data points across 18 retailers

20 retailers$7,243 NZD to $46,558 NZD

Retailer 1
-
$6,469 NZD
$3,646 USD
Price last confirmed 12 days ago
Retailer 2
-
$7,039 NZD
$3,967 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$7,243 NZD
$4,082 USD
View
Final sale: no returns
Retailer 4
-
$7,504 NZD
$4,229 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$7,504 NZD
$4,229 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$7,505 NZD
$4,230 USD
View
A
Retailer 7
-
$7,991 NZD
$4,504 USD
View
Retailer 8
-
$9,377 NZD
$5,285 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$9,763 NZD
£4,333 GBP
View
A
Retailer 10
-
$10,147 NZD
$5,719 USD
View
B+
Retailer 11
-
$11,615 NZD
ZAR 105,752 ZAR
View
B+
Retailer 12
-
$11,634 NZD
$6,557 USD
View
B+
Retailer 13
-
$12,041 NZD
€6,463 EUR
View
B+
Retailer 14
-
$14,051 NZD
A$12,183 AUD
View
B
Retailer 15
-
$17,411 NZD
$9,813 USD
View
B+
Retailer 16
-
$18,776 NZD
A$16,280 AUD
View
B
Retailer 17
-
$18,877 NZD
$10,639 USD
View
B
Retailer 18
-
$20,831 NZD
$11,741 USD
View
B
Retailer 19
-
$26,474 NZD
$14,921 USD
View
Most Expensive
B
Brilliant Earth
20601911A · Oct 31
$46,558 NZD
$26,240 USD
View
19 more retailers have this diamond
Prices start from $7,243 NZDSave up to $39,315 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
12.09ct Round
$7,243 NZD