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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG828681233

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828681233

Diamond specifications and retailer prices

From $3,649 SGD
HK$22,300 HKD
As of October 30, 2026
Save $13,290 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,939 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG828681233 or 828681233. Listed at 12 retailers as of October 30, 2026, with prices from $3,649 to $16,939, a $13,290 spread on the same certified stone. Brilliant Earth lists it at $16,939. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681233
Dimensions9.70 × 7.84 × 5.15 mm
L/W Ratio1.24
Girdle conditionFaceted
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
9.70 mm7.84 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681233
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 65.7%

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 30
Current: $16,939 SGD|Low: $3,649 SGD|High: $16,952 SGD|Avg: $8,513 SGD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$3,649 SGD
Retailer 2$4,121 SGD
Retailer 5$4,216 SGD
Retailer 4$4,720 SGD
Retailer 11$4,807 SGD
Retailer 10$6,955 SGD
Retailer 6$8,069 SGD
Retailer 3$8,196 SGD
Retailer 12$8,538 SGD
Retailer 8$10,480 SGD
Retailer 7$11,587 SGD
Brilliant Earth$16,939 SGD

21 data points across 12 retailers

12 retailers$3,649 SGD to $16,939 SGD

A
Cheapest Retailer
-
$3,649 SGD
HK$22,300 HKD
A
Retailer 2
-
$4,121 SGD
£2,538 GBP
View
A
Retailer 3
-
$4,216 SGD
$3,298 USD
View
A
Retailer 4
-
$4,720 SGD
$3,692 USD
View
A
Retailer 5
-
$4,807 SGD
€3,581 EUR
View
B+
Retailer 6
-
$6,955 SGD
ZAR 87,891 ZAR
View
B+
Retailer 7
-
$8,069 SGD
$6,312 USD
View
B+
Retailer 8
-
$8,196 SGD
$6,411 USD
View
B+
Retailer 9
-
$8,538 SGD
£5,259 GBP
View
B+
Retailer 10
-
$10,480 SGD
$8,198 USD
View
B
Retailer 11
-
$11,587 SGD
$9,064 USD
View
Most Expensive
B
Brilliant Earth
21765376A · Oct 30
$16,939 SGD
$13,250 USD
View
11 more retailers have this diamond
Prices start from $3,649 SGDSave up to $13,290 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
$3,649 SGD