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Cushion|Lab Grown|IGI

2.09ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG678583303

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG678583303

Diamond specifications and retailer prices

From $434 USD
As of October 29, 2026
Save $3,186 USD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,620 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion 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 LG678583303 or 678583303. Listed at 8 retailers as of October 29, 2026, with prices from $434 to $3,620, a $3,186 spread on the same certified stone. Do Amore Diamonds lists it at $3,620. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583303
Dimensions9.23 × 6.07 × 3.91 mm
L/W Ratio1.52
Culet sizeLarge
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
9.23 mm6.07 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678583303
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilionCulet: LargeDepth 64.4%

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 29
Current: $3,620 USD|Low: $417 USD|High: $3,620 USD|Avg: $1,490 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$434 USD
Retailer 9$486 USD
Retailer 7$846 USD
Retailer 4$850 USD
Retailer 11$926 USD
Retailer 10$1,050 USD
Retailer 5$1,510 USD
Retailer 8$1,910 USD
Retailer 2$2,195 USD
Retailer 3$2,487 USD
Do Amore Diamonds$3,620 USD

19 data points across 11 retailers

8 retailers$434 USD to $3,620 USD

A
Cheapest Retailer
-
$434 USD
A
Retailer 2
-
$486 USD
View
B+
Retailer 3
-
$846 USD
View
B+
Retailer 4
-
$850 USD
View
B
Retailer 5
-
$1,510 USD
View
B
Retailer 6
-
$1,910 USD
View
B
Retailer 7
-
$2,195 USD
£1,728 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675292 · Oct 31
$3,620 USD
View
7 more retailers have this diamond
Prices start from $434 USDSave up to $3,186 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 Cushion
$434 USD