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Round|Lab Grown|IGI

1.20ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG670445426

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670445426

Diamond specifications and retailer prices

From $477 NZD
$269 USD
As of November 1, 2026
Save $1,641 NZD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,118 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG670445426 or 670445426. Listed at 19 retailers as of October 26, 2026, with prices from $477 to $2,118, a $1,641 spread on the same certified stone. MOH London lists it at $2,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670445426
Dimensions6.77 × 6.81 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.77 mm6.81 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670445426
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: $2,118 NZD|Low: $529 NZD|High: $2,141 NZD|Avg: $1,092 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$529 NZD
Retailer 11$742 NZD
Retailer 7$859 NZD
Retailer 4$911 NZD
Retailer 2$912 NZD
Retailer 9$940 NZD
Retailer 5$998 NZD
Retailer 8$1,288 NZD
Retailer 10$1,389 NZD
Retailer 6$1,561 NZD
MOH London$2,118 NZD

37 data points across 11 retailers

19 retailers$477 NZD to $2,118 NZD

A
Cheapest Retailer
-
$477 NZD
$269 USD
Final sale: no returns
A
Retailer 2
-
$493 NZD
$278 USD
View
Retailer 3
-
$529 NZD
$298 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$724 NZD
$408 USD
View
B+
Retailer 5
-
$742 NZD
$418 USD
View
Retailer 6
-
$855 NZD
A$741 AUD
View
Price last confirmed 122 days ago
B+
Retailer 7
-
$859 NZD
€461 EUR
View
B+
Retailer 8
-
$911 NZD
£404 GBP
View
B+
Retailer 9
-
$912 NZD
ZAR 8,300 ZAR
View
B+
Retailer 10
-
$940 NZD
$530 USD
View
B+
Retailer 11
-
$998 NZD
£443 GBP
View
B+
Retailer 12
-
$1,084 NZD
$611 USD
View
B
Retailer 13
-
$1,288 NZD
A$1,117 AUD
View
B
Retailer 14
-
$1,389 NZD
$783 USD
View
B
Retailer 15
-
$1,561 NZD
$880 USD
View
B
Retailer 16
-
$1,702 NZD
SGD 1,296 SGD
View
B
Retailer 17
-
$1,790 NZD
$1,009 USD
View
B
Retailer 18
-
$1,875 NZD
$1,057 USD
View
Most Expensive
B
MOH London
LG670445426 · Oct 26
$2,118 NZD
£940 GBP
View
18 more retailers have this diamond
Prices start from $477 NZDSave up to $1,641 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
1.20ct Round
$477 NZD