CaratHunter
Plans
Emerald|Natural|IGI

4.51ct J SI1 Emerald Natural Diamond

VG • J/SI1 • IGI 671412256

Shape and cutting style on the report: Emerald cut

Certificate IGI 671412256

Diamond specifications and retailer prices

From $53,350 NZD
$30,068 USD
As of October 26, 2026
Save $29,955 NZD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $83,305 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 4.51ct natural emerald diamond

This 4.51ct natural emerald sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671412256. Listed at 13 retailers as of October 26, 2026, with prices from $53,350 to $83,305, a $29,955 spread on the same certified stone. MOH London lists it at $83,305. 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

4.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.4°
Pavilion angle43.8°
OriginNatural
Grading LabIGI
CertificateIGI 671412256
Dimensions11.24 × 7.87 × 5.44 mm
L/W Ratio1.43
Culet sizeLarge
Top View
11.24 mm7.87 mm4.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671412256
Side View
Table 68.0%Crown 28.4°Girdle: Slightly ThickPavilion 43.8°Culet: LargeDepth 69.1%

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 26
Current: $83,305 NZD|Low: $52,707 NZD|High: $84,195 NZD|Avg: $62,096 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 27, 2026
Retailer 13$53,350 NZD
Retailer 10$53,532 NZD
Retailer 6$54,696 NZD
Retailer 12$55,488 NZD
Retailer 9$57,106 NZD
Retailer 11$58,799 NZD
Retailer 8$61,739 NZD
Retailer 3$63,697 NZD
Retailer 7$64,281 NZD
Retailer 5$65,451 NZD
Retailer 4$66,148 NZD
Retailer 2$66,398 NZD
MOH London$83,305 NZD

27 data points across 13 retailers

13 retailers$53,350 NZD to $83,305 NZD

A
Cheapest Retailer
-
$53,350 NZD
$30,068 USD
A
Retailer 2
-
$53,532 NZD
$30,171 USD
View
A
Retailer 3
-
$54,696 NZD
£24,273 GBP
View
Retailer 4
-
$55,488 NZD
$31,273 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$57,106 NZD
$32,185 USD
View
Retailer 6
-
$58,799 NZD
$33,139 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$61,739 NZD
$34,796 USD
View
B+
Retailer 8
-
$63,697 NZD
$35,900 USD
View
B+
Retailer 9
-
$64,281 NZD
€34,504 EUR
View
Retailer 10
-
$65,451 NZD
$36,888 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$66,148 NZD
$37,281 USD
View
B+
Retailer 12
-
$66,398 NZD
ZAR 604,554 ZAR
View
Most Expensive
B+
MOH London
2216008F9 · Oct 26
$83,305 NZD
£36,969 GBP
View
12 more retailers have this diamond
Prices start from $53,350 NZDSave up to $29,955 NZD

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
4.51ct Emerald
$53,350 NZD