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Round|Lab Grown|IGI

1.21ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG737509208

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737509208

Diamond specifications and retailer prices

From $316 NZD
$178 USD
As of November 1, 2026
Save $1,516 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,833 NZD at MOH London · As of November 2, 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 LG737509208 or 737509208. Listed at 20 retailers as of November 1, 2026, with prices from $316 to $1,833, a $1,516 spread on the same certified stone. MOH London lists it at $1,833. 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 angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737509208
Dimensions6.87 × 6.84 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm6.84 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737509208
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

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: $1,833 NZD|Low: $316 NZD|High: $1,930 NZD|Avg: $898 NZD|-4.0%
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
November 2, 2026
Retailer 16$316 NZD
Retailer 15$366 NZD
Retailer 9$393 NZD
Retailer 13$676 NZD
Retailer 5$695 NZD
Retailer 4$697 NZD
Retailer 11$703 NZD
Retailer 10$728 NZD
Retailer 17$832 NZD
Retailer 14$898 NZD
Retailer 12$955 NZD
Retailer 2$995 NZD
Retailer 3$1,155 NZD
Retailer 8$1,260 NZD
Retailer 6$1,356 NZD
Retailer 7$1,409 NZD
MOH London$1,833 NZD

43 data points across 17 retailers

20 retailers$316 NZD to $1,833 NZD

A
Cheapest Retailer
-
$316 NZD
$178 USD
A
Retailer 2
-
$366 NZD
$206 USD
View
A
Retailer 3
-
$393 NZD
$221 USD
View
Retailer 4
-
$409 NZD
$230 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$676 NZD
ZAR 6,149 ZAR
View
A
Retailer 6
-
$695 NZD
$391 USD
View
B+
Retailer 7
-
$697 NZD
$392 USD
View
A
Retailer 8
-
$703 NZD
£311 GBP
View
A
Retailer 9
-
$728 NZD
€390 EUR
View
Retailer 10
-
$812 NZD
A$703 AUD
View
Price last confirmed 123 days ago
B+
Retailer 11
-
$832 NZD
$468 USD
View
B+
Retailer 12
-
$898 NZD
$505 USD
View
B+
Retailer 13
-
$955 NZD
A$827 AUD
View
B+
Retailer 14
-
$995 NZD
$560 USD
View
B+
Retailer 15
-
$1,155 NZD
$650 USD
View
Retailer 16
-
$1,253 NZD
$705 USD
View
Price last confirmed 47 days ago
B
Retailer 17
-
$1,260 NZD
$709 USD
View
B
Retailer 18
-
$1,356 NZD
$763 USD
View
B
Retailer 19
-
$1,409 NZD
$793 USD
View
Most Expensive
B
MOH London
LG737509208 · Nov 2
$1,833 NZD
£812 GBP
View
19 more retailers have this diamond
Prices start from $316 NZDSave up to $1,516 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
$316 NZD