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Oval|Lab Grown|IGI

1.57ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442067564

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442067564

Diamond specifications and retailer prices

From $1,528 NZD
$860 USD
As of October 31, 2026
Save $7,446 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,975 NZD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442067564 or 442067564. Listed at 12 retailers as of October 31, 2026, with prices from $1,528 to $8,975, a $7,446 spread on the same certified stone. MOH London lists it at $8,975. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067564
Dimensions8.92 × 6.64 × 4.18 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.92 mm6.64 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067564
Side View
Table 57.0%Crown 35°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 63.0%

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 31
Current: $8,975 NZD|Low: $1,528 NZD|High: $9,096 NZD|Avg: $4,114 NZD
MOH London
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 2, 2026
Retailer 8$1,528 NZD
Retailer 7$2,408 NZD
Retailer 12$2,620 NZD
Retailer 13$2,694 NZD
Retailer 9$2,794 NZD
Retailer 14$2,794 NZD
Retailer 3$3,101 NZD
Retailer 5$3,834 NZD
Retailer 2$3,988 NZD
Retailer 10$4,415 NZD
Retailer 4$5,207 NZD
Retailer 11$5,236 NZD
Retailer 6$7,999 NZD
MOH London$8,975 NZD

38 data points across 14 retailers

12 retailers$1,528 NZD to $8,975 NZD

A
Cheapest Retailer
-
$1,528 NZD
$860 USD
B+
Retailer 2
-
$2,408 NZD
$1,355 USD
View
B+
Retailer 3
-
$2,620 NZD
$1,474 USD
View
B+
Retailer 4
-
$2,694 NZD
$1,516 USD
View
Final sale: no returns
Retailer 5
-
$2,794 NZD
$1,572 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$2,794 NZD
$1,572 USD
View
B+
Retailer 7
-
$3,101 NZD
$1,745 USD
View
B
Retailer 8
-
$3,988 NZD
£1,767 GBP
View
B
Retailer 9
-
$4,415 NZD
$2,484 USD
View
B
Retailer 10
-
$5,207 NZD
$2,930 USD
View
B
Retailer 11
-
$5,236 NZD
$2,946 USD
View
Most Expensive
B
MOH London
LG442067564 · Nov 1
$8,975 NZD
£3,976 GBP
View
11 more retailers have this diamond
Prices start from $1,528 NZDSave up to $7,446 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
$1,528 NZD