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Round|Lab Grown|IGI

1.21ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG838629893

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838629893

Diamond specifications and retailer prices

From $307 NZD
$173 USD
As of November 1, 2026
Save $1,476 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,783 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct 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 LG838629893 or 838629893. Listed at 19 retailers as of November 1, 2026, with prices from $307 to $1,783, a $1,476 spread on the same certified stone. MOH London lists it at $1,783. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838629893
Dimensions6.95 × 6.92 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.92 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838629893
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.6%

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: $1,783 NZD|Low: $307 NZD|High: $1,878 NZD|Avg: $849 NZD|-5.0%
MOH London
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
Retailer 19
November 3, 2026
Retailer 3$307 NZD
Retailer 17$357 NZD
Retailer 9$382 NZD
Retailer 11$382 NZD
Retailer 12$658 NZD
Retailer 14$658 NZD
Retailer 4$679 NZD
Retailer 2$680 NZD
Retailer 19$693 NZD
Retailer 15$748 NZD
Retailer 7$823 NZD
Retailer 5$889 NZD
Retailer 13$930 NZD
Retailer 16$1,144 NZD
Retailer 6$1,226 NZD
Retailer 10$1,285 NZD
Retailer 18$1,296 NZD
Retailer 8$1,323 NZD
MOH London$1,783 NZD

34 data points across 19 retailers

19 retailers$307 NZD to $1,783 NZD

A
Cheapest Retailer
-
$307 NZD
$173 USD
A
Retailer 2
-
$357 NZD
$201 USD
View
Retailer 3
-
$382 NZD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$382 NZD
$215 USD
View
A
Retailer 5
-
$658 NZD
£291 GBP
View
A
Retailer 6
-
$658 NZD
ZAR 5,983 ZAR
View
A
Retailer 7
-
$679 NZD
$382 USD
View
A
Retailer 8
-
$680 NZD
£301 GBP
View
A
Retailer 9
-
$693 NZD
$390 USD
View
B+
Retailer 10
-
$748 NZD
€401 EUR
View
B+
Retailer 11
-
$823 NZD
$463 USD
View
B+
Retailer 12
-
$889 NZD
$500 USD
View
B+
Retailer 13
-
$930 NZD
A$805 AUD
View
B+
Retailer 14
-
$1,144 NZD
A$990 AUD
View
B
Retailer 15
-
$1,226 NZD
$690 USD
View
B
Retailer 16
-
$1,285 NZD
$723 USD
View
B
Retailer 17
-
$1,296 NZD
$729 USD
View
B
Retailer 18
-
$1,323 NZD
$744 USD
View
Most Expensive
B
MOH London
LG838629893 · Nov 1
$1,783 NZD
£790 GBP
View
18 more retailers have this diamond
Prices start from $307 NZDSave up to $1,476 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
1.21ct Round
$307 NZD