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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 $577 USD
As of November 1, 2026
Save $2,528 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,105 USD at MOH London · As of November 1, 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 1, 2026, with prices from $577 to $3,105, a $2,528 spread on the same certified stone. MOH London lists it at $3,105. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,105 USD|Low: $554 USD|High: $3,143 USD|Avg: $1,302 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6$577 USD
Retailer 2$580 USD
Retailer 9$645 USD
Retailer 7$715 USD
Retailer 11$715 USD
Retailer 10$845 USD
Retailer 8$1,099 USD
Retailer 3$1,136 USD
Retailer 5$1,775 USD
Retailer 4$1,916 USD
Retailer 12$2,208 USD
MOH London$3,105 USD

15 data points across 12 retailers

12 retailers$577 USD to $3,105 USD

A
Cheapest Retailer
-
$577 USD
A
Retailer 2
-
$580 USD
View
A
Retailer 3
-
$645 USD
View
Final sale: no returns
A
Retailer 4
-
$646 USD
View
Retailer 5
-
$715 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$715 USD
View
A
Retailer 7
-
$845 USD
View
B+
Retailer 8
-
$1,099 USD
View
B
Retailer 9
-
$1,775 USD
View
B
Retailer 10
-
$1,881 USD
View
B
Retailer 11
-
$2,208 USD
View
Most Expensive
B
MOH London
LG407945521 · Nov 1
$3,105 USD
£2,445 GBP
View
11 more retailers have this diamond
Prices start from $577 USDSave up to $2,528 USD

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
$577 USD