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Radiant|Lab Grown|IGI

1.76ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG515211457

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

Certificate IGI LG515211457

Diamond specifications and retailer prices

From $800 SGD
$626 USD
As of October 30, 2026
Save $3,070 SGD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,871 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.76ct lab-grown radiant diamond

This 1.76ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG515211457 or 515211457. Listed at 14 retailers as of October 29, 2026, with prices from $800 to $3,871, a $3,070 spread on the same certified stone. MOH London lists it at $3,871. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.76
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515211457
Dimensions7.75 × 5.95 × 4.11 mm
L/W Ratio1.30
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
7.75 mm5.95 mm1.76 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515211457
Side View
Table 65.5%Crown 46.5°Girdle: Slightly ThickPavilion 30°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,871 SGD|Low: $571 SGD|High: $3,895 SGD|Avg: $1,511 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10$715 SGD
Retailer 3$800 SGD
Retailer 4$800 SGD
Retailer 11$887 SGD
Retailer 5$974 SGD
Retailer 7$1,055 SGD
Retailer 2$1,291 SGD
Retailer 13$1,365 SGD
Retailer 6$1,383 SGD
Retailer 8$1,956 SGD
Retailer 9$2,288 SGD
Retailer 12$2,332 SGD
MOH London$3,871 SGD

43 data points across 13 retailers

14 retailers$800 SGD to $3,871 SGD

Retailer 1
-
$715 SGD
$559 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$800 SGD
$626 USD
View
Final sale: no returns
Retailer 3
-
$800 SGD
$626 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$887 SGD
$694 USD
View
B+
Retailer 5
-
$974 SGD
$762 USD
View
B
Retailer 6
-
$1,055 SGD
$825 USD
View
B
Retailer 7
-
$1,291 SGD
€962 EUR
View
B
Retailer 8
-
$1,365 SGD
$1,068 USD
View
B
Retailer 9
-
$1,383 SGD
£852 GBP
View
Retailer 10
-
$1,956 SGD
$1,530 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$2,027 SGD
£1,249 GBP
View
B
Retailer 12
-
$2,288 SGD
$1,790 USD
View
B
Retailer 13
-
$2,332 SGD
$1,824 USD
View
Most Expensive
B
MOH London
LG515211457 · Oct 29
$3,871 SGD
£2,384 GBP
View
13 more retailers have this diamond
Prices start from $800 SGDSave up to $3,070 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.

B+
1.76ct Radiant
$800 SGD