Asscher|Natural|IGI

0.51ct K SI1 Asscher Natural Diamond

VG • K/SI1 • IGI 741597053

Shape and cutting style on the report: Square emerald cut

Certificate IGI 741597053

Diamond specifications and retailer prices

From $327 USD
As of November 6, 2026
Save $711 USD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,038 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural asscher diamond

This 0.51ct natural asscher sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 741597053. Listed at 6 retailers as of November 4, 2026, with prices from $327 to $1,038, a $711 spread on the same certified stone. MOH London lists it at $1,038. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 741597053
Dimensions4.33 × 4.30 × 2.88 mm
L/W Ratio1.01
Culet sizePointed
Top View
4.33 mm4.30 mm0.51 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 741597053
Side View
Table 63.0%Crown 38.9°Girdle: ThickPavilion 40.5°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,038 USD|Low: $327 USD|High: $1,071 USD|Avg: $651 USD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$327 USD
Retailer 4$575 USD
Retailer 6$580 USD
Retailer 3$678 USD
Retailer 5$697 USD
MOH London$1,038 USD

41 data points across 6 retailers

6 retailers$327 USD to $1,038 USD

A
Cheapest Retailer
-
$327 USD
B+
Retailer 2
-
$575 USD
View
B+
Retailer 3
-
$580 USD
View
B
Retailer 4
-
$678 USD
View
B
Retailer 5
-
$697 USD
View
Most Expensive
C
MOH London
4C2245C67 · Nov 4
$1,038 USD
£817 GBP
View
5 more retailers have this diamond
Prices start from $327 USDSave up to $711 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.

A
0.51ct Asscher
$327 USD