CaratHunter
Plans
Round|Lab Grown|IGI

1.57ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG476157423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157423

Diamond specifications and retailer prices

From $1,579 NZD
$890 USD
As of October 30, 2026
Save $6,567 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,146 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476157423 or 476157423. Listed at 10 retailers as of October 29, 2026, with prices from $1,579 to $8,146, a $6,567 spread on the same certified stone. MOH London lists it at $8,146. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157423
Dimensions7.37 × 7.33 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.37 mm7.33 mm1.57 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157423
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

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 30
Current: $8,146 NZD|Low: $1,579 NZD|High: $8,211 NZD|Avg: $4,052 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,579 NZD
Retailer 5$2,445 NZD
Retailer 8$2,661 NZD
Retailer 10$2,738 NZD
Retailer 6$2,837 NZD
Retailer 3$3,193 NZD
Retailer 12$3,884 NZD
Retailer 7$4,482 NZD
Retailer 11$5,149 NZD
Retailer 9$5,318 NZD
Retailer 4$6,351 NZD
MOH London$8,146 NZD

17 data points across 12 retailers

10 retailers$1,579 NZD to $8,146 NZD

A
Cheapest Retailer
-
$1,579 NZD
$890 USD
B+
Retailer 2
-
$2,445 NZD
$1,378 USD
View
B+
Retailer 3
-
$2,661 NZD
$1,500 USD
View
B+
Retailer 4
-
$2,738 NZD
$1,543 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,837 NZD
$1,599 USD
View
Retailer 6
-
$2,837 NZD
$1,599 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$4,482 NZD
$2,526 USD
View
B
Retailer 8
-
$5,149 NZD
$2,902 USD
View
B
Retailer 9
-
$5,318 NZD
$2,997 USD
View
Most Expensive
B
MOH London
LG476157423 · Oct 29
$8,146 NZD
£3,615 GBP
View
9 more retailers have this diamond
Prices start from $1,579 NZDSave up to $6,567 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 Round
$1,579 NZD