CaratHunter
Plans
Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666217

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG780666217

Diamond specifications and retailer prices

From $2,149 SGD
$1,681 USD
As of October 30, 2026
Save $13,026 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,175 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant 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 LG780666217 or 780666217. Listed at 15 retailers as of October 30, 2026, with prices from $2,149 to $15,175, a $13,026 spread on the same certified stone. Brilliant Earth lists it at $15,175. 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 angle41.9°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666217
Dimensions10.18 × 7.26 × 4.73 mm
L/W Ratio1.40
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
10.18 mm7.26 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666217
Side View
Table 61.0%Crown 41.9°Girdle: ThickPavilion 33°Culet: NoneDepth 65.2%

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: Oct 30
Current: $15,175 SGD|Low: $2,149 SGD|High: $21,221 SGD|Avg: $6,685 SGD|-11.7%
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
October 31, 2026
Retailer 10$2,149 SGD
Retailer 4$2,343 SGD
Retailer 9$2,630 SGD
Retailer 2$2,710 SGD
Retailer 12$3,200 SGD
Retailer 7$3,633 SGD
Retailer 3$3,926 SGD
Retailer 8$4,298 SGD
Retailer 5$4,655 SGD
Retailer 15$5,157 SGD
Retailer 14$6,904 SGD
Retailer 13$7,900 SGD
Retailer 6$8,111 SGD
Retailer 11$14,791 SGD
Brilliant Earth$15,175 SGD

34 data points across 15 retailers

15 retailers$2,149 SGD to $15,175 SGD

A
Cheapest Retailer
-
$2,149 SGD
$1,681 USD
A
Retailer 2
-
$2,343 SGD
$1,833 USD
View
A
Retailer 3
-
$2,630 SGD
$2,057 USD
View
A
Retailer 4
-
$2,710 SGD
$2,120 USD
View
A
Retailer 5
-
$3,200 SGD
$2,503 USD
View
A
Retailer 6
-
$3,633 SGD
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
$3,926 SGD
$3,071 USD
View
A
Retailer 8
-
$4,298 SGD
$3,362 USD
View
Retailer 9
-
$4,655 SGD
€3,468 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$5,157 SGD
$4,034 USD
View
B+
Retailer 11
-
$6,904 SGD
$5,401 USD
View
B+
Retailer 12
-
$7,900 SGD
£4,866 GBP
View
Retailer 13
-
$8,111 SGD
$6,345 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$14,791 SGD
$11,570 USD
View
Most Expensive
B
Brilliant Earth
19065709Y · Oct 30
$15,175 SGD
$11,870 USD
View
14 more retailers have this diamond
Prices start from $2,149 SGDSave up to $13,026 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 Radiant
$2,149 SGD