CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG754595342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595342

Diamond specifications and retailer prices

From $820 SGD
As of November 4, 2026
Save $3,618 SGD (82%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $4,438 SGD at Novita Diamonds · As of October 31, 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 very-good cut grade and certified by IGI LG754595342 or 754595342. Listed at 34 retailers as of October 31, 2026, with prices from $820 to $4,438, a $3,618 spread on the same certified stone. Novita Diamonds lists it at $4,438. 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

1.51
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595342
Dimensions11.74 × 6.02 × 3.76 mm
L/W Ratio1.95
Girdle conditionFaceted
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
11.74 mm6.02 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595342
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 39.8°Culet: NoneDepth 62.5%

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 4
Current: $4,438 SGD|Low: $820 SGD|High: $5,007 SGD|Avg: $2,476 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
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 7$820 SGD
Retailer 6$1,024 SGD
Retailer 25$1,060 SGD
Retailer 13$1,069 SGD
Retailer 26$1,160 SGD
Retailer 17$1,362 SGD
Retailer 8$1,433 SGD
Retailer 23$1,438 SGD
Retailer 21$1,503 SGD
Retailer 2$1,546 SGD
Retailer 18$1,733 SGD
Retailer 16$1,939 SGD
Retailer 22$2,400 SGD
Retailer 15$2,409 SGD
Retailer 10$2,429 SGD
Retailer 9$2,673 SGD
Retailer 20$2,958 SGD
Retailer 5$3,243 SGD
Retailer 4$3,281 SGD
Retailer 11$3,325 SGD
Retailer 19$3,327 SGD
Retailer 12$3,372 SGD
Retailer 3$3,474 SGD
Retailer 14$3,559 SGD
Retailer 24$3,995 SGD
Novita Diamonds$4,438 SGD

24 data points across 26 retailers

34 retailers$820 SGD to $4,438 SGD

A
Cheapest Retailer
-
$820 SGD
Retailer 2
-
$922 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$922 SGD
View
Price last confirmed 37 days ago
Retailer 4
-
$1,004 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$1,024 SGD
View
Final sale: no returns
Retailer 6
-
$1,055 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$1,060 SGD
View
A
Retailer 8
-
$1,069 SGD
View
Retailer 9
-
$1,070 SGD
View
Price last confirmed 34 days ago
Retailer 10
-
$1,070 SGD
View
Price last confirmed 27 days ago
A
Retailer 11
-
$1,160 SGD
View
A
Retailer 12
-
$1,362 SGD
View
A
Retailer 13
-
$1,433 SGD
View
A
Retailer 14
-
$1,438 SGD
View
A
Retailer 15
-
$1,503 SGD
View
A
Retailer 16
-
$1,546 SGD
View
A
Retailer 17
-
$1,733 SGD
View
A
Retailer 18
-
$1,939 SGD
View
B+
Retailer 19
-
$2,400 SGD
View
B+
Retailer 20
-
$2,409 SGD
View
B+
Retailer 21
-
$2,429 SGD
View
B+
Retailer 22
-
$2,673 SGD
View
B+
Retailer 23
-
$2,958 SGD
View
Retailer 24
-
$3,009 SGD
View
Price last confirmed 27 days ago
Retailer 25
-
$3,009 SGD
View
Price last confirmed 37 days ago
B
Retailer 26
-
$3,243 SGD
View
B
Retailer 27
-
$3,281 SGD
View
B
Retailer 28
-
$3,325 SGD
View
Retailer 29
-
$3,327 SGD
View
Price last confirmed 9 days ago
B
Retailer 30
-
$3,372 SGD
View
B
Retailer 31
-
$3,474 SGD
View
B
Retailer 32
-
$3,559 SGD
View
B
Retailer 33
-
$3,995 SGD
View
Most Expensive
B
Novita Diamonds
cert_754595342 · Oct 31
$4,438 SGD
A$5,346 AUD
View
33 more retailers have this diamond
Prices start from $820 SGDSave up to $3,618 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
$820 SGD