Oval|Lab Grown|IGI

1.01ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG407945521

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407945521

Diamond specifications and retailer prices

From $1,041 NZD
As of November 5, 2026
Save $4,547 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,588 NZD at MOH London · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407945521 or 407945521. Listed at 12 retailers as of November 5, 2026, with prices from $1,041 to $5,588, a $4,547 spread on the same certified stone. MOH London lists it at $5,588. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945521
Dimensions7.85 × 5.67 × 3.49 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.85 mm5.67 mm1.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407945521
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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 5
Current: $5,588 NZD|Low: $999 NZD|High: $5,670 NZD|Avg: $2,361 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$1,041 NZD
Retailer 2$1,046 NZD
Retailer 9$1,164 NZD
Retailer 7$1,290 NZD
Retailer 11$1,290 NZD
Retailer 10$1,524 NZD
Retailer 8$1,982 NZD
Retailer 3$2,049 NZD
Retailer 5$3,202 NZD
Retailer 4$3,456 NZD
Retailer 12$3,983 NZD
MOH London$5,588 NZD

14 data points across 12 retailers

12 retailers$1,041 NZD to $5,588 NZD

A
Cheapest Retailer
-
$1,041 NZD
A
Retailer 2
-
$1,046 NZD
View
A
Retailer 3
-
$1,164 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,165 NZD
View
Retailer 5
-
$1,290 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,290 NZD
View
A
Retailer 7
-
$1,524 NZD
View
B+
Retailer 8
-
$1,982 NZD
View
B
Retailer 9
-
$3,202 NZD
View
B
Retailer 10
-
$3,393 NZD
View
B
Retailer 11
-
$3,983 NZD
View
Most Expensive
B
MOH London
LG407945521 · Nov 5
$5,588 NZD
£2,439 GBP
View
11 more retailers have this diamond
Prices start from $1,041 NZDSave up to $4,547 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
$1,041 NZD