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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG836694137

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG836694137

Diamond specifications and retailer prices

From $1,976 SGD
$1,546 USD
As of October 30, 2026
Save $10,245 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,222 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG836694137 or 836694137. Listed at 17 retailers as of October 30, 2026, with prices from $1,976 to $12,222, a $10,245 spread on the same certified stone. Do Amore Diamonds lists it at $12,222. 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 angle32.3°
Pavilion angle49.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836694137
Dimensions10.37 × 6.79 × 4.51 mm
L/W Ratio1.53
Culet sizeLarge
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
10.37 mm6.79 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836694137
Side View
Table 62.0%Crown 32.3°Girdle: Slightly ThickPavilion 49.6°Culet: LargeDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $12,222 SGD|Low: $1,826 SGD|High: $12,222 SGD|Avg: $4,384 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 21
October 31, 2026
Retailer 8$1,976 SGD
Retailer 6$2,150 SGD
Retailer 12$2,207 SGD
Retailer 19$2,292 SGD
Retailer 17$2,296 SGD
Retailer 20$2,562 SGD
Retailer 14$3,155 SGD
Retailer 5$3,172 SGD
Retailer 2$3,587 SGD
Retailer 13$3,618 SGD
Retailer 15$4,054 SGD
Retailer 21$4,743 SGD
Retailer 11$4,987 SGD
Retailer 4$5,241 SGD
Retailer 18$5,876 SGD
Retailer 7$5,922 SGD
Retailer 10$6,376 SGD
Retailer 3$6,937 SGD
Retailer 16$7,652 SGD
Retailer 9$8,894 SGD
Do Amore Diamonds$12,222 SGD

13 data points across 21 retailers

17 retailers$1,976 SGD to $12,222 SGD

A
Cheapest Retailer
-
$1,976 SGD
$1,546 USD
A
Retailer 2
-
$2,150 SGD
$1,682 USD
View
A
Retailer 3
-
$2,292 SGD
$1,793 USD
View
A
Retailer 4
-
$2,296 SGD
$1,796 USD
View
Final sale: no returns
A
Retailer 5
-
$2,562 SGD
$2,004 USD
View
A
Retailer 6
-
$3,172 SGD
$2,481 USD
View
A
Retailer 7
-
$3,587 SGD
£2,209 GBP
View
A
Retailer 8
-
$3,618 SGD
$2,830 USD
View
A
Retailer 9
-
$4,054 SGD
$3,171 USD
View
B+
Retailer 10
-
$4,743 SGD
$3,710 USD
View
B+
Retailer 11
-
$5,241 SGD
£3,228 GBP
View
B+
Retailer 12
-
$5,876 SGD
ZAR 74,249 ZAR
View
B+
Retailer 13
-
$5,922 SGD
$4,632 USD
View
B
Retailer 14
-
$6,937 SGD
$5,426 USD
View
B
Retailer 15
-
$7,652 SGD
£4,713 GBP
View
B
Retailer 16
-
$8,894 SGD
$6,957 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101293 · Oct 31
$12,222 SGD
$9,560 USD
View
16 more retailers have this diamond
Prices start from $1,976 SGDSave up to $10,245 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
$1,976 SGD