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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG817696082

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

Certificate IGI LG817696082

Diamond specifications and retailer prices

From $1,718 SGD
$1,344 USD
As of October 30, 2026
Save $4,731 SGD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,976 SGD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.15ct lab-grown radiant diamond

This 3.15ct 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 LG817696082 or 817696082. Listed at 16 retailers as of October 30, 2026, with a 275% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.15
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817696082
Dimensions10.89 × 6.84 × 4.74 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm6.84 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817696082
Side View
Table 67.0%Crown 44.5°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 69.3%

Caratlytics Score

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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 30
Current: $3,409 SGD|Low: $1,717 SGD|High: $6,646 SGD|Avg: $3,846 SGD|-1.3%
Retailer 1
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 9$1,718 SGD
Retailer 15$2,001 SGD
Retailer 8$2,199 SGD
Retailer 3$2,557 SGD
Retailer 11$2,582 SGD
Retailer 6$2,722 SGD
Retailer 1$3,409 SGD
Retailer 13$3,976 SGD
Retailer 7$4,063 SGD
Retailer 14$4,132 SGD
Retailer 5$4,325 SGD
Retailer 2$4,946 SGD
Retailer 4$5,747 SGD
Retailer 12$6,235 SGD
Retailer 10$6,450 SGD

21 data points across 15 retailers

16 retailers$1,718 SGD to $6,450 SGD

A
Cheapest Retailer
-
$1,718 SGD
$1,344 USD
Final sale: no returns
A
Retailer 2
-
$2,001 SGD
$1,565 USD
View
A
Retailer 3
-
$2,199 SGD
$1,720 USD
View
A
Retailer 4
-
$2,557 SGD
$2,000 USD
View
A
Retailer 5
-
$2,582 SGD
£1,590 GBP
View
Retailer 6
-
$2,722 SGD
€2,028 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,409 SGD
$2,667 USD
View
A
Retailer 8
-
$3,976 SGD
$3,110 USD
View
Retailer 9
-
$4,063 SGD
A$4,889 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$4,132 SGD
ZAR 52,215 ZAR
View
A
Retailer 11
-
$4,325 SGD
£2,664 GBP
View
B+
Retailer 12
-
$4,946 SGD
$3,869 USD
View
B+
Retailer 13
-
$5,747 SGD
£3,540 GBP
View
B+
Retailer 14
-
$6,235 SGD
$4,878 USD
View
B+
Retailer 15
-
$6,450 SGD
$5,045 USD
View
Most Expensive
Novita Diamonds
cert_817696082 · Oct 8
$8,976 SGD
A$10,802 AUD
View
Price last confirmed 22 days ago
15 more retailers have this diamond
Prices start from $1,718 SGDSave up to $4,731 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
3.15ct Radiant
$1,718 SGD