Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG751511477

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

Certificate IGI LG751511477

Diamond specifications and retailer prices

From $367 NZD
$206 USD
As of October 28, 2026
Save $3,141 NZD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,508 NZD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG751511477 or 751511477. Listed at 19 retailers as of October 28, 2026, with prices from $367 to $3,508, a $3,141 spread on the same certified stone. Do Amore Diamonds lists it at $3,508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511477
Dimensions7.92 × 5.29 × 3.58 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.29 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511477
Side View
Table 63.0%Crown 42.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 67.7%

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: Oct 28
Current: $3,508 NZD|Low: $270 NZD|High: $3,508 NZD|Avg: $1,216 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 11$270 NZD
Retailer 20$367 NZD
Retailer 9$410 NZD
Retailer 19$424 NZD
Retailer 8$454 NZD
Retailer 21$454 NZD
Retailer 13$631 NZD
Retailer 4$668 NZD
Retailer 7$782 NZD
Retailer 2$932 NZD
Retailer 5$1,026 NZD
Retailer 17$1,157 NZD
Retailer 15$1,222 NZD
Retailer 18$1,464 NZD
Retailer 6$1,610 NZD
Retailer 3$1,710 NZD
Retailer 12$1,916 NZD
Retailer 16$2,019 NZD
Retailer 10$2,048 NZD
Retailer 14$2,157 NZD
Do Amore Diamonds$3,508 NZD

32 data points across 21 retailers

19 retailers$367 NZD to $3,508 NZD

A
Cheapest Retailer
-
$367 NZD
$206 USD
A
Retailer 2
-
$410 NZD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$424 NZD
$238 USD
View
A
Retailer 4
-
$454 NZD
$255 USD
View
A
Retailer 5
-
$454 NZD
$255 USD
View
A
Retailer 6
-
$631 NZD
£279 GBP
View
A
Retailer 7
-
$668 NZD
$375 USD
View
A
Retailer 8
-
$782 NZD
$439 USD
View
B+
Retailer 9
-
$932 NZD
£412 GBP
View
B+
Retailer 10
-
$1,026 NZD
$576 USD
View
B+
Retailer 11
-
$1,157 NZD
$650 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,222 NZD
A$1,056 AUD
View
B
Retailer 13
-
$1,464 NZD
$822 USD
View
B
Retailer 14
-
$1,610 NZD
$904 USD
View
B
Retailer 15
-
$1,710 NZD
CA$1,334 CAD
View
B
Retailer 16
-
$1,916 NZD
$1,076 USD
View
B
Retailer 17
-
$2,019 NZD
£893 GBP
View
B
Retailer 18
-
$2,157 NZD
$1,211 USD
View
Most Expensive
B
Do Amore Diamonds
27-09595FAC4 · Oct 29
$3,508 NZD
$1,970 USD
View
18 more retailers have this diamond
Prices start from $367 NZDSave up to $3,141 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
$367 NZD