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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728561176

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

Certificate IGI LG728561176

Diamond specifications and retailer prices

From $1,299 SGD
$1,013 USD
As of October 27, 2026
Save $10,240 SGD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,539 SGD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 LG728561176 or 728561176. Listed at 18 retailers as of October 27, 2026, with prices from $1,299 to $11,539, a $10,240 spread on the same certified stone. Do Amore Diamonds lists it at $11,539. 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 angle44.3°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728561176
Dimensions10.25 × 7.18 × 4.84 mm
L/W Ratio1.43
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
10.25 mm7.18 mm3.17 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728561176
Side View
Table 66.0%Crown 44.3°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 67.4%

Caratlytics Score

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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 27
Current: $11,539 SGD|Low: $1,277 SGD|High: $13,654 SGD|Avg: $4,806 SGD|-15.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 11$1,299 SGD
Retailer 16$1,413 SGD
Retailer 5$1,699 SGD
Retailer 13$1,736 SGD
Retailer 9$1,787 SGD
Retailer 12$2,404 SGD
Retailer 4$2,707 SGD
Retailer 10$3,055 SGD
Retailer 7$3,119 SGD
Retailer 14$3,149 SGD
Retailer 17$3,831 SGD
Retailer 2$4,214 SGD
Retailer 15$5,350 SGD
Retailer 3$7,045 SGD
Retailer 6$9,057 SGD
Retailer 8$11,039 SGD
Do Amore Diamonds$11,539 SGD

30 data points across 17 retailers

18 retailers$1,299 SGD to $11,539 SGD

A+
Cheapest Retailer
-
$1,299 SGD
$1,013 USD
A
Retailer 2
-
$1,413 SGD
$1,102 USD
View
A
Retailer 3
-
$1,699 SGD
$1,325 USD
View
A
Retailer 4
-
$1,736 SGD
$1,354 USD
View
A
Retailer 5
-
$1,787 SGD
$1,394 USD
View
Final sale: no returns
A
Retailer 6
-
$2,404 SGD
$1,875 USD
View
A
Retailer 7
-
$2,707 SGD
€2,011 EUR
View
A
Retailer 8
-
$3,055 SGD
$2,383 USD
View
A
Retailer 9
-
$3,119 SGD
$2,433 USD
View
A
Retailer 10
-
$3,149 SGD
$2,456 USD
View
A
Retailer 11
-
$3,831 SGD
A$4,597 AUD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$4,214 SGD
$3,287 USD
View
B+
Retailer 13
-
$5,350 SGD
£3,286 GBP
View
B+
Retailer 14
-
$7,045 SGD
$5,495 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$9,057 SGD
A$10,868 AUD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$9,291 SGD
$7,247 USD
View
B
Retailer 17
-
$11,039 SGD
$8,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-A3CD23EF5 · Oct 28
$11,539 SGD
$9,000 USD
View
17 more retailers have this diamond
Prices start from $1,299 SGDSave up to $10,240 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
$1,299 SGD