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Oval|Lab Grown|IGI

1.01ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG557240926

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557240926

Diamond specifications and retailer prices

From $271 NZD
As of November 3, 2026
Save $871 NZD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,581 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557240926 or 557240926. Listed at 13 retailers as of November 3, 2026, with a 322% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240926
Dimensions8.04 × 5.74 × 3.63 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.04 mm5.74 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240926
Side View
Table 59.5%Crown 35.5°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 63.2%

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: Nov 3
Current: $1,581 NZD|Low: $260 NZD|High: $1,590 NZD|Avg: $680 NZD|-0.6%
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
November 5, 2026
Retailer 9$271 NZD
Retailer 3$314 NZD
Retailer 10$336 NZD
Retailer 13$336 NZD
Retailer 2$399 NZD
Retailer 6$577 NZD
Retailer 5$579 NZD
Retailer 11$617 NZD
Retailer 7$848 NZD
Retailer 4$911 NZD
Retailer 12$1,081 NZD
Retailer 8$1,142 NZD
MOH London$1,581 NZD

44 data points across 13 retailers

13 retailers$271 NZD to $1,142 NZD

A
Cheapest Retailer
-
$271 NZD
A
Retailer 2
-
$314 NZD
View
Retailer 3
-
$336 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$336 NZD
View
A
Retailer 5
-
$399 NZD
View
A
Retailer 6
-
$577 NZD
View
A
Retailer 7
-
$579 NZD
View
A
Retailer 8
-
$617 NZD
View
B+
Retailer 9
-
$848 NZD
View
B+
Retailer 10
-
$911 NZD
View
B+
Retailer 11
-
$1,081 NZD
View
B
Retailer 12
-
$1,142 NZD
View
Most Expensive
MOH London
LG557240926 · Oct 29
$1,581 NZD
£690 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $271 NZDSave up to $871 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
1.01ct Oval
$271 NZD