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Oval|Lab Grown|IGI

1.01ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG407941648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407941648

Diamond specifications and retailer prices

From $580 USD
As of October 31, 2026
Save $3,615 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,195 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 LG407941648 or 407941648. Listed at 12 retailers as of October 31, 2026, with prices from $580 to $4,195, a $3,615 spread on the same certified stone. MOH London lists it at $4,195. 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 angle36.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407941648
Dimensions7.47 × 5.70 × 3.69 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.47 mm5.70 mm1.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407941648
Side View
Table 59.5%Crown 36.4°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 64.7%

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: Oct 31
Current: $4,195 USD|Low: $580 USD|High: $4,246 USD|Avg: $2,083 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$580 USD
Retailer 3$1,126 USD
Retailer 6$1,260 USD
Retailer 4$1,306 USD
Retailer 7$1,480 USD
Retailer 10$1,845 USD
Retailer 5$2,075 USD
Retailer 9$2,573 USD
Retailer 8$3,772 USD
MOH London$4,195 USD

13 data points across 10 retailers

12 retailers$580 USD to $4,195 USD

A
Cheapest Retailer
-
$580 USD
B+
Retailer 2
-
$1,126 USD
View
B+
Retailer 3
-
$1,225 USD
View
B+
Retailer 4
-
$1,260 USD
View
Final sale: no returns
Retailer 5
-
$1,306 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$1,306 USD
View
B+
Retailer 7
-
$1,480 USD
View
B
Retailer 8
-
$2,075 USD
View
B
Retailer 9
-
$2,447 USD
View
B
Retailer 10
-
$2,573 USD
View
B
Retailer 11
-
$3,772 USD
View
Most Expensive
B
MOH London
LG407941648 · Nov 1
$4,195 USD
£3,303 GBP
View
11 more retailers have this diamond
Prices start from $580 USDSave up to $3,615 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
$580 USD