Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG788643967

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788643967

Diamond specifications and retailer prices

From $533 USD
As of October 29, 2026
Save $3,729 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,262 USD at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788643967 or 788643967. Listed at 12 retailers as of October 27, 2026, with prices from $533 to $4,262, a $3,729 spread on the same certified stone. Frank Darling lists it at $4,262. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788643967
Dimensions9.87 × 7.59 × 9.87 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.87 mm7.59 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788643967
Side View
Table 62.0%Crown 37.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.7%

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 29
Current: $4,262 USD|Low: $388 USD|High: $4,506 USD|Avg: $1,864 USD|-5.4%
Frank Darling
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 7$397 USD
Retailer 14$533 USD
Retailer 3$745 USD
Retailer 2$792 USD
Retailer 4$864 USD
Retailer 11$1,026 USD
Retailer 12$1,126 USD
Retailer 10$1,380 USD
Retailer 5$1,798 USD
Retailer 6$2,095 USD
Retailer 15$2,234 USD
Retailer 13$2,259 USD
Retailer 8$2,503 USD
Retailer 16$2,820 USD
Retailer 9$4,240 USD
Frank Darling$4,262 USD

20 data points across 16 retailers

12 retailers$533 USD to $4,262 USD

A
Cheapest Retailer
-
$533 USD
Final sale: no returns
B+
Retailer 2
-
$792 USD
View
A
Retailer 3
-
$1,026 USD
£808 GBP
View
A
Retailer 4
-
$1,126 USD
View
A
Retailer 5
-
$1,380 USD
A$2,123 AUD
View
B+
Retailer 6
-
$2,212 USD
View
B+
Retailer 7
-
$2,234 USD
View
B+
Retailer 8
-
$2,259 USD
View
Retailer 9
-
$2,503 USD
A$3,850 AUD
View
Price last confirmed 118 days ago
Retailer 10
-
$2,820 USD
View
Price last confirmed 11 days ago
B
Retailer 11
-
$4,240 USD
View
Most Expensive
B
Frank Darling
100767804367KD · Oct 27
$4,262 USD
View
11 more retailers have this diamond
Prices start from $533 USDSave up to $3,729 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
3.09ct Cushion
$533 USD