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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780661578

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780661578

Diamond specifications and retailer prices

From $2,460 SGD
$1,924 USD
As of October 30, 2026
Save $11,232 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,692 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661578 or 780661578. Listed at 11 retailers as of October 30, 2026, with prices from $2,460 to $13,692, a $11,232 spread on the same certified stone. Do Amore Diamonds lists it at $13,692. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661578
Dimensions9.36 × 7.82 × 5.35 mm
L/W Ratio1.20
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
9.36 mm7.82 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661578
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $13,692 SGD|Low: $2,460 SGD|High: $25,069 SGD|Avg: $7,910 SGD|-45.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$2,460 SGD
Retailer 8$2,512 SGD
Retailer 4$3,161 SGD
Retailer 9$3,715 SGD
Retailer 5$4,273 SGD
Retailer 3$4,370 SGD
Retailer 7$6,395 SGD
Retailer 6$7,314 SGD
Retailer 11$8,265 SGD
Retailer 10$11,915 SGD
Do Amore Diamonds$13,692 SGD

31 data points across 11 retailers

11 retailers$2,460 SGD to $13,692 SGD

A+
Cheapest Retailer
-
$2,460 SGD
$1,924 USD
A
Retailer 2
-
$2,512 SGD
$1,965 USD
View
A
Retailer 3
-
$3,161 SGD
$2,473 USD
View
A
Retailer 4
-
$3,715 SGD
$2,906 USD
View
A
Retailer 5
-
$4,273 SGD
€3,183 EUR
View
A
Retailer 6
-
$4,370 SGD
$3,418 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,395 SGD
$5,002 USD
View
B+
Retailer 8
-
$7,314 SGD
£4,505 GBP
View
Retailer 9
-
$8,265 SGD
$6,465 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$11,915 SGD
$9,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-9EA486FF2 · Oct 31
$13,692 SGD
$10,710 USD
View
10 more retailers have this diamond
Prices start from $2,460 SGDSave up to $11,232 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+
3.10ct Cushion
$2,460 SGD