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Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731569276

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

Certificate IGI LG731569276

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)
16 retailers carry this diamond
Most expensive: $11,301 SGD at Do Amore Diamonds · As of October 30, 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 LG731569276 or 731569276. Listed at 16 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 angle44.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731569276
Dimensions10.24 × 7.26 × 4.98 mm
L/W Ratio1.41
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 mm7.26 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731569276
Side View
Table 67.0%Crown 44.4°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $11,301 SGD|Low: $1,273 SGD|High: $13,653 SGD|Avg: $4,828 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
October 31, 2026
Retailer 10$1,273 SGD
Retailer 16$1,414 SGD
Retailer 5$1,700 SGD
Retailer 9$1,708 SGD
Retailer 8$1,787 SGD
Retailer 15$2,406 SGD
Retailer 3$2,709 SGD
Retailer 14$3,055 SGD
Retailer 11$3,122 SGD
Retailer 2$3,183 SGD
Retailer 13$4,214 SGD
Retailer 12$5,557 SGD
Retailer 4$7,044 SGD
Retailer 6$9,058 SGD
Retailer 7$11,033 SGD
Do Amore Diamonds$11,301 SGD

33 data points across 16 retailers

16 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
A
Retailer 11
-
$4,214 SGD
$3,296 USD
View
B+
Retailer 12
-
$5,557 SGD
£3,423 GBP
View
Retailer 13
-
$7,044 SGD
$5,510 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$9,058 SGD
A$10,901 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$11,033 SGD
$8,630 USD
View
Most Expensive
B
Do Amore Diamonds
27-41DED3EF0 · Oct 30
$11,301 SGD
$8,840 USD
View
15 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