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Oval|Lab Grown|IGI

1.09ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG829618903

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG829618903

Diamond specifications and retailer prices

From $323 USD
As of November 5, 2026
Save $553 USD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $876 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 very-good cut grade and certified by IGI LG829618903 or 829618903. Listed at 8 retailers as of November 4, 2026, with prices from $323 to $876, a $553 spread on the same certified stone. MOH London lists it at $876. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829618903
Dimensions8.46 × 5.69 × 3.67 mm
L/W Ratio1.49
Girdle conditionFaceted
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
8.46 mm5.69 mm1.09 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829618903
Side View
Table 60.0%Crown 34.3°Girdle: THN-STKPavilion 42.4°Culet: NoneDepth 64.5%

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: $876 USD|Low: $312 USD|High: $889 USD|Avg: $520 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$323 USD
Retailer 6$344 USD
Retailer 2$353 USD
Retailer 4$364 USD
Retailer 7$510 USD
Retailer 8$659 USD
Retailer 5$820 USD
MOH London$876 USD

41 data points across 8 retailers

8 retailers$323 USD to $876 USD

A
Cheapest Retailer
-
$323 USD
B+
Retailer 2
-
$344 USD
View
B+
Retailer 3
-
$353 USD
View
A
Retailer 4
-
$364 USD
View
B+
Retailer 5
-
$510 USD
View
B
Retailer 6
-
$659 USD
View
B
Retailer 7
-
$820 USD
View
Most Expensive
B
MOH London
LG829618903 · Nov 4
$876 USD
£690 GBP
View
7 more retailers have this diamond
Prices start from $323 USDSave up to $553 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
$323 USD