CaratHunter
Plans
Radiant|Lab Grown|IGI

1.57ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG669421619

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

Certificate IGI LG669421619

Diamond specifications and retailer prices

From $428 NZD
As of November 4, 2026
Save $1,733 NZD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,161 NZD at Brilliance · As of November 5, 2026
View at Brilliance

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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG669421619 or 669421619. Listed at 20 retailers as of November 4, 2026, with prices from $428 to $2,161, a $1,733 spread on the same certified stone. Brilliance lists it at $2,161. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421619
Dimensions8.16 × 5.74 × 3.90 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.16 mm5.74 mm1.57 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421619
Side View
Table 63.0%Crown 41.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.9%

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 4
Current: $2,161 NZD|Low: $412 NZD|High: $2,342 NZD|Avg: $1,230 NZD
Brilliance
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 5, 2026
Retailer 13$428 NZD
Retailer 4$530 NZD
Retailer 6$559 NZD
Retailer 3$713 NZD
Retailer 8$915 NZD
Retailer 10$954 NZD
Retailer 2$995 NZD
Retailer 11$1,236 NZD
Retailer 5$1,707 NZD
Retailer 12$1,712 NZD
Retailer 7$1,996 NZD
Retailer 9$2,125 NZD
Brilliance$2,161 NZD

37 data points across 13 retailers

20 retailers$428 NZD to $2,161 NZD

A
Cheapest Retailer
-
$428 NZD
A
Retailer 2
-
$479 NZD
View
Final sale: no returns
A
Retailer 3
-
$497 NZD
View
Retailer 4
-
$530 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$530 NZD
View
A
Retailer 6
-
$559 NZD
View
A
Retailer 7
-
$589 NZD
View
B+
Retailer 8
-
$713 NZD
View
A
Retailer 9
-
$915 NZD
View
A
Retailer 10
-
$954 NZD
View
A
Retailer 11
-
$979 NZD
View
A
Retailer 12
-
$995 NZD
View
B+
Retailer 13
-
$1,212 NZD
View
Retailer 14
-
$1,236 NZD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$1,707 NZD
View
B+
Retailer 16
-
$1,712 NZD
View
B+
Retailer 17
-
$1,797 NZD
View
B
Retailer 18
-
$1,996 NZD
View
B
Retailer 19
-
$2,125 NZD
View
Most Expensive
B
Brilliance
D30632788 · Nov 5
$2,161 NZD
$1,218 USD
View
19 more retailers have this diamond
Prices start from $428 NZDSave up to $1,733 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
$428 NZD