CaratHunter
Plans
Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG689542466

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689542466

Diamond specifications and retailer prices

From $742 SGD
$580 USD
As of November 1, 2026
Save $7,584 SGD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,326 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG689542466 or 689542466. Listed at 20 retailers as of October 31, 2026, with prices from $742 to $8,326, a $7,584 spread on the same certified stone. Brilliant Earth lists it at $8,326. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689542466
Dimensions8.24 × 8.24 × 5.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm8.24 mm3.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689542466
Side View
Table 65.0%Crown 37.4°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,326 SGD|Low: $726 SGD|High: $8,326 SGD|Avg: $2,185 SGD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 20$742 SGD
Retailer 11$806 SGD
Retailer 9$900 SGD
Retailer 14$946 SGD
Retailer 4$1,072 SGD
Retailer 19$1,184 SGD
Retailer 13$1,227 SGD
Retailer 2$1,273 SGD
Retailer 15$1,735 SGD
Retailer 16$1,768 SGD
Retailer 17$1,863 SGD
Retailer 18$1,925 SGD
Retailer 12$2,358 SGD
Retailer 8$2,604 SGD
Retailer 3$2,672 SGD
Retailer 6$2,824 SGD
Retailer 5$2,943 SGD
Retailer 10$3,155 SGD
Retailer 7$3,448 SGD
Brilliant Earth$8,326 SGD

35 data points across 20 retailers

20 retailers$742 SGD to $8,326 SGD

A
Cheapest Retailer
-
$742 SGD
$580 USD
Final sale: no returns
Retailer 2
-
$806 SGD
$630 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$900 SGD
HK$5,500 HKD
View
A
Retailer 4
-
$946 SGD
$740 USD
View
B+
Retailer 5
-
$1,072 SGD
$838 USD
View
A
Retailer 6
-
$1,184 SGD
$926 USD
View
A
Retailer 7
-
$1,227 SGD
€914 EUR
View
A
Retailer 8
-
$1,273 SGD
£784 GBP
View
A
Retailer 9
-
$1,735 SGD
A$2,087 AUD
View
Retailer 10
-
$1,768 SGD
ZAR 22,328 ZAR
View
Price last confirmed 9 days ago
A
Retailer 11
-
$1,863 SGD
$1,457 USD
View
A
Retailer 12
-
$1,925 SGD
$1,505 USD
View
Retailer 13
-
$2,358 SGD
£1,452 GBP
View
Price last confirmed 20 days ago
B+
Retailer 14
-
$2,604 SGD
View
B+
Retailer 15
-
$2,672 SGD
$2,089 USD
View
B+
Retailer 16
-
$2,824 SGD
$2,208 USD
View
B+
Retailer 17
-
$2,943 SGD
$2,301 USD
View
Retailer 18
-
$3,155 SGD
A$3,795 AUD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
$3,448 SGD
£2,123 GBP
View
Most Expensive
B
Brilliant Earth
20259914A · Oct 31
$8,326 SGD
$6,510 USD
View
19 more retailers have this diamond
Prices start from $742 SGDSave up to $7,584 SGD

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
$742 SGD