CaratHunter
Plans
Cushion|Natural|IGI

0.51ct G SI2 Cushion Natural Diamond

VG • G/SI2 • IGI 741597223

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 741597223

Diamond specifications and retailer prices

From $553 USD
£435 GBP
As of October 30, 2026
Save $467 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,020 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 741597223. Listed at 5 retailers as of October 30, 2026, with prices from $553 to $1,020, a $467 spread on the same certified stone. MOH London lists it at $1,020. 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
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.7°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 741597223
Dimensions4.50 × 4.39 × 3.01 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
4.50 mm4.39 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 741597223
Side View
Table 64.0%Crown 36.7°Girdle: THK-VTKPavilion 36.6°Culet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,020 USD|Low: $319 USD|High: $1,049 USD|Avg: $685 USD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$553 USD
Retailer 4$572 USD
Retailer 5$618 USD
Retailer 2$670 USD
Retailer 6$681 USD
MOH London$1,020 USD

25 data points across 6 retailers

5 retailers$553 USD to $1,020 USD

B+
Cheapest Retailer
-
$553 USD
£435 GBP
B+
Retailer 2
-
$572 USD
View
B+
Retailer 3
-
$618 USD
View
B
Retailer 4
-
$670 USD
€638 EUR
View
Most Expensive
B
MOH London
9C03D126B · Nov 1
$1,020 USD
£803 GBP
View
4 more retailers have this diamond
Prices start from $553 USDSave up to $467 USD

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+
0.51ct Cushion
$553 USD