CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG830616655

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830616655

Diamond specifications and retailer prices

From $791 SGD
As of November 6, 2026
Save $2,993 SGD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,384 SGD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830616655 or 830616655. Listed at 25 retailers as of November 5, 2026, with a 379% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830616655
Dimensions11.38 × 6.22 × 3.75 mm
L/W Ratio1.83
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.38 mm6.22 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830616655
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,384 SGD|Low: $705 SGD|High: $4,547 SGD|Avg: $2,048 SGD
Novita Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 19$791 SGD
Retailer 12$874 SGD
Retailer 17$885 SGD
Retailer 22$886 SGD
Retailer 11$1,047 SGD
Retailer 13$1,063 SGD
Retailer 20$1,316 SGD
Retailer 14$1,400 SGD
Retailer 16$1,483 SGD
Retailer 9$1,507 SGD
Retailer 6$1,516 SGD
Retailer 10$1,927 SGD
Retailer 7$2,040 SGD
Retailer 18$2,580 SGD
Retailer 15$2,834 SGD
Retailer 5$2,861 SGD
Retailer 4$3,096 SGD
Retailer 21$3,131 SGD
Retailer 3$3,233 SGD
Retailer 2$3,487 SGD
Retailer 8$3,783 SGD
Novita Diamonds$4,384 SGD

30 data points across 22 retailers

25 retailers$791 SGD to $3,783 SGD

A
Cheapest Retailer
-
$791 SGD
Retailer 2
-
$874 SGD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$874 SGD
View
A
Retailer 4
-
$885 SGD
View
Final sale: no returns
A
Retailer 5
-
$886 SGD
View
A
Retailer 6
-
$1,047 SGD
View
A
Retailer 7
-
$1,063 SGD
View
A
Retailer 8
-
$1,316 SGD
View
A
Retailer 9
-
$1,359 SGD
View
A
Retailer 10
-
$1,400 SGD
View
A
Retailer 11
-
$1,483 SGD
View
A
Retailer 12
-
$1,507 SGD
View
A
Retailer 13
-
$1,516 SGD
View
A
Retailer 14
-
$1,927 SGD
View
A
Retailer 15
-
$2,040 SGD
View
B+
Retailer 16
-
$2,580 SGD
View
B+
Retailer 17
-
$2,834 SGD
View
B+
Retailer 18
-
$2,861 SGD
View
B
Retailer 19
-
$3,096 SGD
View
B+
Retailer 20
-
$3,131 SGD
View
Retailer 21
-
$3,195 SGD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$3,233 SGD
View
B+
Retailer 23
-
$3,487 SGD
View
B+
Retailer 24
-
$3,783 SGD
View
Most Expensive
Novita Diamonds
cert_830616655 · Oct 8
$4,384 SGD
A$5,280 AUD
View
Price last confirmed 28 days ago
24 more retailers have this diamond
Prices start from $791 SGDSave up to $2,993 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
1.51ct Marquise
$791 SGD