Radiant|Lab Grown|GIA

1.20ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • GIA 5426559987

Certificate GIA 5426559987

Diamond specifications and retailer prices

From $663 NZD
As of November 4, 2026
Save $2,500 NZD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,269 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426559987. Listed at 11 retailers as of November 4, 2026, with a 377% 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

1.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5426559987
Dimensions7.90 × 5.14 × 3.44 mm
L/W Ratio1.54
Culet sizeNone
Top View
7.90 mm5.14 mm1.20 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426559987
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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 4
Current: $5,269 NZD|Low: $663 NZD|High: $5,269 NZD|Avg: $2,238 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$663 NZD
Retailer 6$740 NZD
Retailer 7$1,011 NZD
Retailer 3$1,185 NZD
Retailer 9$1,994 NZD
Retailer 8$2,908 NZD
Retailer 2$3,163 NZD
Retailer 5$3,190 NZD
Do Amore Diamonds$5,269 NZD

10 data points across 9 retailers

11 retailers$663 NZD to $3,163 NZD

Retailer 1
-
$593 NZD
Price last confirmed 19 days ago
A
Retailer 2
-
$663 NZD
View
Final sale: no returns
Retailer 3
-
$688 NZD
View
Price last confirmed 22 days ago
Retailer 4
-
$736 NZD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$740 NZD
View
B+
Retailer 6
-
$1,185 NZD
View
Retailer 7
-
$2,610 NZD
View
Price last confirmed 20 days ago
B
Retailer 8
-
$2,908 NZD
View
B
Retailer 9
-
$3,163 NZD
View
Retailer 10
-
$3,190 NZD
View
Price last confirmed 20 days ago
Most Expensive
Do Amore Diamonds
27-FD05F8366 · Nov 4
$5,269 NZD
$2,970 USD
View
Price under review
10 more retailers have this diamond
Prices start from $663 NZDSave up to $2,500 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
$663 NZD