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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG605341596

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

Certificate IGI LG605341596

Diamond specifications and retailer prices

From $379 NZD
$213 USD
As of November 1, 2026
Save $2,856 NZD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,235 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 LG605341596 or 605341596. Listed at 14 retailers as of November 1, 2026, with prices from $379 to $3,235, a $2,856 spread on the same certified stone. Do Amore Diamonds lists it at $3,235. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605341596
Dimensions7.63 × 5.46 × 3.60 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.63 mm5.46 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605341596
Side View
Table 62.0%Crown 36.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.9%

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 1
Current: $3,235 NZD|Low: $256 NZD|High: $3,235 NZD|Avg: $1,222 NZD
Do Amore Diamonds
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 11$379 NZD
Retailer 3$665 NZD
Retailer 10$734 NZD
Retailer 6$798 NZD
Retailer 5$853 NZD
Retailer 12$860 NZD
Retailer 2$1,130 NZD
Retailer 9$1,220 NZD
Retailer 8$1,351 NZD
Retailer 4$1,792 NZD
Retailer 7$1,851 NZD
Do Amore Diamonds$3,235 NZD

41 data points across 12 retailers

14 retailers$379 NZD to $3,235 NZD

A
Cheapest Retailer
-
$379 NZD
$213 USD
Final sale: no returns
Retailer 2
-
$419 NZD
$236 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$665 NZD
$374 USD
View
A
Retailer 4
-
$734 NZD
$413 USD
View
A
Retailer 5
-
$798 NZD
ZAR 7,251 ZAR
View
A
Retailer 6
-
$853 NZD
£378 GBP
View
A
Retailer 7
-
$860 NZD
$484 USD
View
B+
Retailer 8
-
$1,130 NZD
A$978 AUD
View
Retailer 9
-
$1,220 NZD
A$1,056 AUD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$1,351 NZD
$760 USD
View
Retailer 11
-
$1,486 NZD
$836 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$1,792 NZD
$1,008 USD
View
B
Retailer 13
-
$1,851 NZD
£820 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D1F93F57A · Nov 2
$3,235 NZD
$1,820 USD
View
13 more retailers have this diamond
Prices start from $379 NZDSave up to $2,856 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
$379 NZD