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Oval|Lab Grown|IGI

1.57ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG436072333

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436072333

Diamond specifications and retailer prices

From $1,473 NZD
$830 USD
As of October 29, 2026
Save $6,274 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,747 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072333 or 436072333. Listed at 10 retailers as of October 29, 2026, with prices from $1,473 to $7,747, a $6,274 spread on the same certified stone. MOH London lists it at $7,747. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072333
Dimensions8.64 × 6.58 × 4.21 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.64 mm6.58 mm1.57 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072333
Side View
Table 57.5%Crown 36.4°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 64.0%

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: Oct 29
Current: $7,747 NZD|Low: $1,473 NZD|High: $7,810 NZD|Avg: $3,814 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$1,473 NZD
Retailer 2$2,067 NZD
Retailer 6$2,315 NZD
Retailer 4$2,399 NZD
Retailer 8$3,412 NZD
Retailer 5$3,808 NZD
Retailer 7$4,727 NZD
Retailer 9$5,369 NZD
MOH London$7,747 NZD

14 data points across 9 retailers

10 retailers$1,473 NZD to $7,747 NZD

A
Cheapest Retailer
-
$1,473 NZD
$830 USD
B+
Retailer 2
-
$2,067 NZD
$1,165 USD
View
B+
Retailer 3
-
$2,250 NZD
$1,268 USD
View
B+
Retailer 4
-
$2,315 NZD
$1,305 USD
View
Final sale: no returns
Retailer 5
-
$2,399 NZD
$1,352 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,399 NZD
$1,352 USD
View
B
Retailer 7
-
$3,808 NZD
$2,146 USD
View
B
Retailer 8
-
$4,496 NZD
$2,534 USD
View
B
Retailer 9
-
$4,727 NZD
$2,664 USD
View
Most Expensive
B
MOH London
LG436072333 · Oct 29
$7,747 NZD
£3,438 GBP
View
9 more retailers have this diamond
Prices start from $1,473 NZDSave up to $6,274 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 Oval
$1,473 NZD