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Radiant|Lab Grown|IGI

1.57ct I VVS1 Radiant Lab Grown Diamond

EX • I/VVS1 • IGI LG638428635

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

Certificate IGI LG638428635

Diamond specifications and retailer prices

From $575 NZD
As of November 5, 2026
Save $3,541 NZD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,116 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638428635 or 638428635. Listed at 15 retailers as of November 4, 2026, with prices from $575 to $4,116, a $3,541 spread on the same certified stone. Do Amore Diamonds lists it at $4,116. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428635
Dimensions8.53 × 5.83 × 3.85 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
8.53 mm5.83 mm1.57 ctI / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428635
Side View
Table 66.0%Crown 47.2°Girdle: MediumPavilion 33.2°Culet: NoneDepth 66.0%

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 5
Current: $4,116 NZD|Low: $575 NZD|High: $4,116 NZD|Avg: $1,587 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
November 5, 2026
Retailer 11$575 NZD
Retailer 3$695 NZD
Retailer 7$722 NZD
Retailer 12$860 NZD
Retailer 13$956 NZD
Retailer 14$1,045 NZD
Retailer 8$1,095 NZD
Retailer 6$1,705 NZD
Retailer 9$1,767 NZD
Retailer 10$1,827 NZD
Retailer 5$2,189 NZD
Retailer 4$2,335 NZD
Retailer 2$2,539 NZD
Do Amore Diamonds$4,116 NZD

38 data points across 14 retailers

15 retailers$575 NZD to $4,116 NZD

A
Cheapest Retailer
-
$575 NZD
Retailer 2
-
$575 NZD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$575 NZD
View
A
Retailer 4
-
$695 NZD
View
A
Retailer 5
-
$722 NZD
View
A
Retailer 6
-
$860 NZD
View
A
Retailer 7
-
$956 NZD
View
A
Retailer 8
-
$1,045 NZD
View
A
Retailer 9
-
$1,095 NZD
View
B+
Retailer 10
-
$1,767 NZD
View
B
Retailer 11
-
$2,042 NZD
View
Retailer 12
-
$2,042 NZD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$2,335 NZD
View
B
Retailer 14
-
$2,539 NZD
View
Most Expensive
B
Do Amore Diamonds
27-5665FDA11 · Nov 4
$4,116 NZD
$2,320 USD
View
14 more retailers have this diamond
Prices start from $575 NZDSave up to $3,541 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
1.57ct Radiant
$575 NZD