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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG843670833

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

Certificate IGI LG843670833

Diamond specifications and retailer prices

From $3,231 SGD
$2,520 USD
As of October 28, 2026
Save $7,808 SGD (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,039 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG843670833 or 843670833. Listed at 4 retailers as of October 28, 2026, with prices from $3,231 to $11,039, a $7,808 spread on the same certified stone. Brilliant Earth lists it at $11,039. 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

3.17
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670833
Dimensions8.36 × 8.17 × 5.44 mm
L/W Ratio1.02
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
8.36 mm8.17 mm3.17 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670833
Side View
Table 67.0%Crown 44.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
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 28
Current: $11,039 SGD|Low: $3,231 SGD|High: $15,539 SGD|Avg: $7,232 SGD|-29.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 3$3,231 SGD
Retailer 2$3,690 SGD
Retailer 4$7,045 SGD
Brilliant Earth$11,039 SGD

5 data points across 4 retailers

4 retailers$3,231 SGD to $11,039 SGD

A
Cheapest Retailer
-
$3,231 SGD
$2,520 USD
A
Retailer 2
-
$3,690 SGD
€2,741 EUR
View
B+
Retailer 3
-
$7,045 SGD
$5,495 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22165278Y · Oct 28
$11,039 SGD
$8,610 USD
View
3 more retailers have this diamond
Prices start from $3,231 SGDSave up to $7,808 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
3.17ct Radiant
$3,231 SGD