CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct I SI2 Marquise Lab Grown Diamond

VG • I/SI2 • IGI LG442067279

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG442067279

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of October 30, 2026
Save $1,243 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,555 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG442067279 or 442067279. Listed at 10 retailers as of October 29, 2026, with prices from $312 to $1,555, a $1,243 spread on the same certified stone. MOH London lists it at $1,555. 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

0.51
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067279
Dimensions8.76 × 4.14 × 2.50 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.76 mm4.14 mm0.51 ctI / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067279
Side View
Table 62.0%Crown 33.6°Girdle: THN-STKPavilion 42°Culet: NoneDepth 60.4%

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: Oct 30
Current: $1,555 SGD|Low: $299 SGD|High: $1,567 SGD|Avg: $740 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
October 30, 2026
Retailer 6$312 SGD
Retailer 10$362 SGD
Retailer 7$386 SGD
Retailer 11$386 SGD
Retailer 2$409 SGD
Retailer 9$649 SGD
Retailer 4$733 SGD
Retailer 3$767 SGD
Retailer 8$1,241 SGD
Retailer 5$1,245 SGD
MOH London$1,555 SGD

22 data points across 11 retailers

10 retailers$312 SGD to $1,555 SGD

A
Cheapest Retailer
-
$312 SGD
$244 USD
B+
Retailer 2
-
$362 SGD
$283 USD
View
Retailer 3
-
$386 SGD
$302 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$386 SGD
$302 USD
View
B+
Retailer 5
-
$409 SGD
$320 USD
View
B
Retailer 6
-
$649 SGD
$508 USD
View
Retailer 7
-
$733 SGD
€546 EUR
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,241 SGD
$971 USD
View
B
Retailer 9
-
$1,245 SGD
$974 USD
View
Most Expensive
B
MOH London
LG442067279 · Oct 29
$1,555 SGD
£958 GBP
View
9 more retailers have this diamond
Prices start from $312 SGDSave up to $1,243 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
0.51ct Marquise
$312 SGD