CaratHunter
Plans
Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732516320

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

Certificate IGI LG732516320

Diamond specifications and retailer prices

From $1,273 SGD
$996 USD
As of October 30, 2026
Save $10,028 SGD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,301 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown radiant diamond

This 3.18ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732516320 or 732516320. Listed at 18 retailers as of October 30, 2026, with prices from $1,273 to $11,301, a $10,028 spread on the same certified stone. Do Amore Diamonds lists it at $11,301. 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

3.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732516320
Dimensions10.24 × 7.30 × 4.82 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
10.24 mm7.30 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732516320
Side View
Table 65.0%Crown 45.1°Girdle: STK-THKPavilion 33.6°Culet: NoneDepth 66.0%

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: $11,301 SGD|Low: $1,273 SGD|High: $13,653 SGD|Avg: $4,536 SGD|-17.2%
Do Amore Diamonds
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
October 31, 2026
Retailer 11$1,273 SGD
Retailer 17$1,414 SGD
Retailer 6$1,700 SGD
Retailer 10$1,708 SGD
Retailer 9$1,787 SGD
Retailer 16$2,406 SGD
Retailer 3$2,709 SGD
Retailer 15$3,055 SGD
Retailer 12$3,122 SGD
Retailer 2$3,183 SGD
Retailer 4$3,832 SGD
Retailer 14$4,214 SGD
Retailer 13$5,557 SGD
Retailer 5$7,044 SGD
Retailer 7$9,058 SGD
Retailer 8$11,033 SGD
Do Amore Diamonds$11,301 SGD

36 data points across 17 retailers

18 retailers$1,273 SGD to $11,301 SGD

A+
Cheapest Retailer
-
$1,273 SGD
$996 USD
A
Retailer 2
-
$1,414 SGD
$1,106 USD
View
A
Retailer 3
-
$1,700 SGD
$1,330 USD
View
A
Retailer 4
-
$1,708 SGD
$1,336 USD
View
A
Retailer 5
-
$1,787 SGD
$1,398 USD
View
Final sale: no returns
A
Retailer 6
-
$2,406 SGD
$1,882 USD
View
Retailer 7
-
$2,709 SGD
€2,018 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$3,055 SGD
$2,390 USD
View
A
Retailer 9
-
$3,122 SGD
$2,442 USD
View
A
Retailer 10
-
$3,183 SGD
$2,490 USD
View
Retailer 11
-
$3,832 SGD
A$4,611 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,214 SGD
$3,296 USD
View
B+
Retailer 13
-
$5,557 SGD
£3,423 GBP
View
Retailer 14
-
$7,044 SGD
$5,510 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$9,058 SGD
A$10,901 AUD
View
Price last confirmed 22 days ago
Retailer 16
-
$9,264 SGD
$7,247 USD
View
B
Retailer 17
-
$11,033 SGD
$8,630 USD
View
Most Expensive
B
Do Amore Diamonds
27-E6BF10FE9 · Oct 31
$11,301 SGD
$8,840 USD
View
17 more retailers have this diamond
Prices start from $1,273 SGDSave up to $10,028 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+
3.18ct Radiant
$1,273 SGD