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Round|Lab Grown|IGI

2.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG618458038

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618458038

Diamond specifications and retailer prices

From $306 USD
As of October 29, 2026
Save $1,754 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,060 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.09ct lab-grown round diamond

This 2.09ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618458038 or 618458038. Listed at 18 retailers as of October 29, 2026, with prices from $306 to $2,060, a $1,754 spread on the same certified stone. Brilliant Earth lists it at $2,060. 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

2.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618458038
Dimensions8.29 × 8.24 × 5.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
8.29 mm8.24 mm2.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618458038
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: Oct 29
Current: $2,060 USD|Low: $293 USD|High: $2,160 USD|Avg: $799 USD|-4.6%
Brilliant Earth
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 15$306 USD
Retailer 16$342 USD
Retailer 4$355 USD
Retailer 3$379 USD
Retailer 5$379 USD
Retailer 13$551 USD
Retailer 9$595 USD
Retailer 6$619 USD
Retailer 2$627 USD
Retailer 8$661 USD
Retailer 10$672 USD
Retailer 14$965 USD
Retailer 11$1,170 USD
Retailer 7$1,218 USD
Retailer 12$1,527 USD
Brilliant Earth$2,060 USD

44 data points across 16 retailers

18 retailers$306 USD to $2,060 USD

A
Cheapest Retailer
-
$306 USD
A
Retailer 2
-
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$355 USD
View
A
Retailer 4
-
$379 USD
View
A
Retailer 5
-
$379 USD
View
Retailer 6
-
$551 USD
£434 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$595 USD
View
B+
Retailer 8
-
$619 USD
View
A
Retailer 9
-
$627 USD
€597 EUR
View
A
Retailer 10
-
$661 USD
View
A
Retailer 11
-
$666 USD
View
A
Retailer 12
-
$672 USD
£529 GBP
View
B+
Retailer 13
-
$965 USD
View
Retailer 14
-
$1,170 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,218 USD
View
B
Retailer 16
-
$1,265 USD
View
B
Retailer 17
-
$1,527 USD
£1,202 GBP
View
Most Expensive
B
Brilliant Earth
14981723A · Oct 29
$2,060 USD
View
17 more retailers have this diamond
Prices start from $306 USDSave up to $1,754 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
2.09ct Round
$306 USD