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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG762551885

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

Certificate IGI LG762551885

Diamond specifications and retailer prices

From $409 NZD
$230 USD
As of November 2, 2026
Save $1,955 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,212 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762551885 or 762551885. Listed at 22 retailers as of November 2, 2026, with a 478% 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

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762551885
Dimensions7.70 × 5.29 × 3.56 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.29 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762551885
Side View
Table 66.0%Crown 45.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.3%

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 2
Current: $670 NZD|Low: $393 NZD|High: $2,364 NZD|Avg: $1,177 NZD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$409 NZD
Retailer 4$459 NZD
Retailer 3$507 NZD
Retailer 1$670 NZD
Retailer 6$967 NZD
Retailer 5$1,068 NZD
Retailer 11$1,182 NZD
Retailer 10$1,309 NZD
Retailer 9$1,363 NZD
Retailer 12$1,637 NZD
Retailer 8$2,255 NZD
Retailer 7$2,364 NZD

44 data points across 12 retailers

22 retailers$409 NZD to $2,364 NZD

A
Cheapest Retailer
-
$409 NZD
$230 USD
A
Retailer 2
-
$459 NZD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$475 NZD
$267 USD
View
Retailer 4
-
$507 NZD
$285 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$507 NZD
$285 USD
View
A
Retailer 6
-
$670 NZD
£297 GBP
View
B+
Retailer 7
-
$681 NZD
$383 USD
View
A
Retailer 8
-
$681 NZD
$383 USD
View
B+
Retailer 9
-
$967 NZD
ZAR 8,788 ZAR
View
B+
Retailer 10
-
$1,068 NZD
£473 GBP
View
Retailer 11
-
$1,182 NZD
$665 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$1,309 NZD
A$1,133 AUD
View
B+
Retailer 13
-
$1,363 NZD
A$1,180 AUD
View
B
Retailer 14
-
$1,637 NZD
$921 USD
View
B
Retailer 15
-
$1,800 NZD
$1,013 USD
View
B
Retailer 16
-
$2,103 NZD
$1,184 USD
View
B
Retailer 17
-
$2,194 NZD
£972 GBP
View
B
Retailer 18
-
$2,255 NZD
£999 GBP
View
B
Retailer 19
-
$2,291 NZD
$1,289 USD
View
B
Retailer 20
-
$2,364 NZD
$1,330 USD
View
Retailer 21
-
$3,928 NZD
$2,210 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-762551885 · Nov 2
$4,212 NZD
$2,370 USD
View
Price under review
21 more retailers have this diamond
Prices start from $409 NZDSave up to $1,955 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
1.28ct Radiant
$409 NZD