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Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG731587272

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG731587272

Diamond specifications and retailer prices

From $313 NZD
As of November 2, 2026
Save $1,964 NZD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,277 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant 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 LG731587272 or 731587272. Listed at 15 retailers as of November 2, 2026, with prices from $313 to $2,277, a $1,964 spread on the same certified stone. Do Amore Diamonds lists it at $2,277. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731587272
Dimensions7.78 × 5.23 × 3.48 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.23 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731587272
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.5%

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 2
Current: $2,277 NZD|Low: $313 NZD|High: $2,494 NZD|Avg: $1,151 NZD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 5, 2026
Retailer 19$313 NZD
Retailer 5$349 NZD
Retailer 4$363 NZD
Retailer 21$388 NZD
Retailer 10$489 NZD
Retailer 7$512 NZD
Retailer 2$567 NZD
Retailer 3$687 NZD
Retailer 20$738 NZD
Retailer 13$772 NZD
Retailer 8$863 NZD
Retailer 11$934 NZD
Retailer 17$1,005 NZD
Retailer 18$1,042 NZD
Retailer 9$1,219 NZD
Retailer 22$1,377 NZD
Retailer 6$1,683 NZD
Retailer 16$1,996 NZD
Retailer 14$2,211 NZD
Retailer 15$2,227 NZD
Do Amore Diamonds$2,277 NZD
Retailer 12$2,494 NZD

7 data points across 22 retailers

15 retailers$313 NZD to $2,277 NZD

A
Cheapest Retailer
-
$313 NZD
A
Retailer 2
-
$349 NZD
View
Final sale: no returns
A
Retailer 3
-
$363 NZD
View
A
Retailer 4
-
$388 NZD
View
B+
Retailer 5
-
$512 NZD
View
A
Retailer 6
-
$567 NZD
View
A
Retailer 7
-
$687 NZD
View
A
Retailer 8
-
$738 NZD
View
A
Retailer 9
-
$772 NZD
View
B+
Retailer 10
-
$1,005 NZD
View
B+
Retailer 11
-
$1,042 NZD
View
B+
Retailer 12
-
$1,377 NZD
View
B
Retailer 13
-
$1,683 NZD
View
B
Retailer 14
-
$1,996 NZD
View
Most Expensive
B
Do Amore Diamonds
34-DB223-20D · Nov 4
$2,277 NZD
$1,280 USD
View
14 more retailers have this diamond
Prices start from $313 NZDSave up to $1,964 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 Radiant
$313 NZD