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Round|Lab Grown|IGI

1.21ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG786633813

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633813

Diamond specifications and retailer prices

From $332 NZD
As of November 3, 2026
Save $1,710 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,785 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786633813 or 786633813. Listed at 22 retailers as of November 3, 2026, with a 516% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633813
Dimensions6.80 × 6.86 × 4.23 mm
L/W Ratio1.01
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
6.80 mm6.86 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633813
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Nov 3
Current: $736 NZD|Low: $502 NZD|High: $1,946 NZD|Avg: $938 NZD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$553 NZD
Retailer 3$695 NZD
Retailer 9$697 NZD
Retailer 7$710 NZD
Retailer 1$736 NZD
Retailer 5$759 NZD
Retailer 6$1,002 NZD
Retailer 4$1,063 NZD
Retailer 2$1,378 NZD
Retailer 8$1,921 NZD

39 data points across 10 retailers

22 retailers$332 NZD to $2,042 NZD

A
Cheapest Retailer
-
$332 NZD
A
Retailer 2
-
$371 NZD
View
Final sale: no returns
A
Retailer 3
-
$385 NZD
View
A
Retailer 4
-
$412 NZD
View
Retailer 5
-
$412 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$454 NZD
View
B+
Retailer 7
-
$553 NZD
View
A
Retailer 8
-
$695 NZD
View
Retailer 9
-
$697 NZD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$710 NZD
View
B+
Retailer 11
-
$736 NZD
View
B+
Retailer 12
-
$759 NZD
View
B+
Retailer 13
-
$848 NZD
View
B+
Retailer 14
-
$1,002 NZD
View
B+
Retailer 15
-
$1,063 NZD
View
B
Retailer 16
-
$1,322 NZD
View
B
Retailer 17
-
$1,339 NZD
View
B
Retailer 18
-
$1,378 NZD
View
B
Retailer 19
-
$1,417 NZD
View
B
Retailer 20
-
$1,921 NZD
View
B
Retailer 21
-
$2,042 NZD
View
Most Expensive
Queensmith
LG786633813 · Oct 27
$3,785 NZD
£1,680 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $332 NZDSave up to $1,710 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
$332 NZD