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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG611361148

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

Certificate IGI LG611361148

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)
15 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 very-good cut grade and certified by IGI LG611361148 or 611361148. Listed at 15 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611361148
Dimensions7.36 × 5.40 × 3.69 mm
L/W Ratio1.36
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
7.36 mm5.40 mm1.28 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611361148
Side View
Table 65.0%Crown 38.5°Girdle: MediumPavilion 32.5°Culet: NoneDepth 68.3%

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 1
Current: $3,235 NZD|Low: $252 NZD|High: $3,235 NZD|Avg: $1,172 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
Retailer 13
November 2, 2026
Retailer 13$379 NZD
Retailer 11$419 NZD
Retailer 4$665 NZD
Retailer 12$734 NZD
Retailer 7$798 NZD
Retailer 6$853 NZD
Retailer 3$860 NZD
Retailer 2$1,130 NZD
Retailer 10$1,220 NZD
Retailer 9$1,351 NZD
Retailer 5$1,792 NZD
Retailer 8$1,851 NZD
Do Amore Diamonds$3,235 NZD

42 data points across 13 retailers

15 retailers$379 NZD to $3,235 NZD

A
Cheapest Retailer
-
$379 NZD
$213 USD
Final sale: no returns
A
Retailer 2
-
$419 NZD
$236 USD
View
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
B+
Retailer 6
-
$853 NZD
£378 GBP
View
B+
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 25 days ago
B
Retailer 10
-
$1,351 NZD
$760 USD
View
B
Retailer 11
-
$1,364 NZD
£604 GBP
View
B
Retailer 12
-
$1,486 NZD
$836 USD
View
B
Retailer 13
-
$1,792 NZD
$1,008 USD
View
B
Retailer 14
-
$1,851 NZD
£820 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F5213C812 · Nov 2
$3,235 NZD
$1,820 USD
View
14 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