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Oval|Lab Grown|IGI

1.09ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG700596637

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700596637

Diamond specifications and retailer prices

From $142 USD
As of November 5, 2026
Save $680 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $822 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown oval diamond

This 1.09ct 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 LG700596637 or 700596637. Listed at 14 retailers as of November 4, 2026, with prices from $142 to $822, a $680 spread on the same certified stone. MOH London lists it at $822. 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

1.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700596637
Dimensions8.54 × 5.74 × 3.62 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm5.74 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700596637
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: Nov 5
Current: $822 USD|Low: $142 USD|High: $980 USD|Avg: $443 USD|-0.8%
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
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Retailer 16
November 6, 2026
Retailer 13$142 USD
Retailer 6$165 USD
Retailer 14$176 USD
Retailer 4$204 USD
Retailer 9$209 USD
Retailer 10$299 USD
Retailer 2$313 USD
Retailer 3$328 USD
Retailer 16$360 USD
Retailer 15$424 USD
Retailer 11$515 USD
Retailer 5$566 USD
Retailer 12$598 USD
Retailer 8$808 USD
MOH London$822 USD
Retailer 7$980 USD

11 data points across 16 retailers

14 retailers$142 USD to $822 USD

A
Cheapest Retailer
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$142 USD
A
Retailer 2
-
$165 USD
View
A
Retailer 3
-
$176 USD
View
A
Retailer 4
-
$204 USD
View
A
Retailer 5
-
$209 USD
View
A
Retailer 6
-
$299 USD
View
A
Retailer 7
-
$313 USD
View
A
Retailer 8
-
$328 USD
View
A
Retailer 9
-
$360 USD
View
B+
Retailer 10
-
$424 USD
View
B+
Retailer 11
-
$515 USD
View
B+
Retailer 12
-
$566 USD
View
B
Retailer 13
-
$598 USD
View
Most Expensive
B
MOH London
LG700596637 · Nov 4
$822 USD
£647 GBP
View
13 more retailers have this diamond
Prices start from $142 USDSave up to $680 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
1.09ct Oval
$142 USD