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Oval|Lab Grown|IGI

0.57ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445038551

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038551

Diamond specifications and retailer prices

From $539 NZD
$303 USD
As of November 1, 2026
Save $2,154 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,693 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.57ct lab-grown oval diamond

This 0.57ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038551 or 445038551. Listed at 11 retailers as of October 29, 2026, with prices from $539 to $2,693, a $2,154 spread on the same certified stone. MOH London lists it at $2,693. 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

0.57
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038551
Dimensions6.44 × 4.75 × 2.98 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.44 mm4.75 mm0.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038551
Side View
Table 58.5%Crown 34.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.7%

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 1
Current: $2,693 NZD|Low: $517 NZD|High: $2,711 NZD|Avg: $1,284 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 29, 2026
Retailer 6$539 NZD
Retailer 10$603 NZD
Retailer 8$668 NZD
Retailer 11$668 NZD
Retailer 7$746 NZD
Retailer 12$942 NZD
Retailer 9$1,093 NZD
Retailer 2$1,224 NZD
Retailer 3$1,321 NZD
Retailer 5$2,055 NZD
Retailer 4$2,686 NZD
MOH London$2,693 NZD

21 data points across 12 retailers

11 retailers$539 NZD to $2,693 NZD

A
Cheapest Retailer
-
$539 NZD
$303 USD
A
Retailer 2
-
$603 NZD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$626 NZD
$352 USD
View
A
Retailer 4
-
$668 NZD
$376 USD
View
Retailer 5
-
$668 NZD
$376 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$746 NZD
$420 USD
View
B
Retailer 7
-
$1,093 NZD
$615 USD
View
B
Retailer 8
-
$1,224 NZD
€656 EUR
View
B
Retailer 9
-
$2,055 NZD
$1,156 USD
View
B
Retailer 10
-
$2,149 NZD
$1,209 USD
View
Most Expensive
B
MOH London
LG445038551 · Oct 29
$2,693 NZD
£1,193 GBP
View
10 more retailers have this diamond
Prices start from $539 NZDSave up to $2,154 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
0.57ct Oval
$539 NZD