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Oval|Lab Grown|IGI

0.57ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG787611774

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787611774

Diamond specifications and retailer prices

From $173 NZD
$97 USD
As of October 24, 2026
Save $1,191 NZD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,364 NZD at MOH London · As of October 25, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787611774 or 787611774. Listed at 14 retailers as of October 24, 2026, with prices from $173 to $1,364, a $1,191 spread on the same certified stone. MOH London lists it at $1,364. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787611774
Dimensions6.78 × 4.82 × 2.75 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm4.82 mm0.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG787611774
Side View
Table 65.0%Crown 37.7°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $1,364 NZD|Low: $146 NZD|High: $1,422 NZD|Avg: $463 NZD|-3.1%
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
Retailer 15
October 27, 2026
Retailer 5$150 NZD
Retailer 4$167 NZD
Retailer 10$173 NZD
Retailer 7$198 NZD
Retailer 8$314 NZD
Retailer 13$353 NZD
Retailer 11$388 NZD
Retailer 15$399 NZD
Retailer 12$410 NZD
Retailer 3$474 NZD
Retailer 6$535 NZD
Retailer 9$596 NZD
Retailer 14$605 NZD
Retailer 2$766 NZD
MOH London$1,364 NZD

37 data points across 15 retailers

14 retailers$173 NZD to $1,364 NZD

A
Retailer 1
-
$150 NZD
$84 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$173 NZD
$97 USD
View
A
Retailer 3
-
$198 NZD
$111 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$228 NZD
HK$1,000 HKD
View
A
Retailer 5
-
$314 NZD
£139 GBP
View
A
Retailer 6
-
$388 NZD
$218 USD
View
B+
Retailer 7
-
$399 NZD
$224 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$410 NZD
$230 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$474 NZD
£210 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$535 NZD
SGD 406 SGD
View
A
Retailer 11
-
$596 NZD
$335 USD
View
B+
Retailer 12
-
$605 NZD
$340 USD
View
B+
Retailer 13
-
$766 NZD
$430 USD
View
Most Expensive
B
MOH London
LG787611774 · Oct 25
$1,364 NZD
£603 GBP
View
13 more retailers have this diamond
Prices start from $173 NZDSave up to $1,191 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
$173 NZD