CaratHunter
Plans
Round|Natural|GIA

5.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2241018415

Certificate GIA 2241018415

Diamond specifications and retailer prices

From $114,589 NZD
CA$89,698 CAD
As of October 30, 2026
Save $76,075 NZD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $190,664 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct natural round diamond

This 5.51ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2241018415. Listed at 10 retailers as of October 30, 2026, with prices from $114,589 to $190,664, a $76,075 spread on the same certified stone. MOH London lists it at $190,664. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2241018415
Dimensions11.21 × 11.28 × 6.99 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.21 mm11.28 mm5.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241018415
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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 30
Current: $190,664 NZD|Low: $114,589 NZD|High: $192,960 NZD|Avg: $133,013 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$114,589 NZD
Retailer 4$116,671 NZD
Retailer 8$116,671 NZD
Retailer 9$117,328 NZD
Retailer 2$121,569 NZD
Retailer 10$127,169 NZD
Retailer 6$129,636 NZD
Retailer 7$137,114 NZD
Retailer 3$145,572 NZD
MOH London$190,664 NZD

36 data points across 10 retailers

10 retailers$114,589 NZD to $190,664 NZD

A
Cheapest Retailer
-
$114,589 NZD
CA$89,698 CAD
B+
Retailer 2
-
$116,671 NZD
$65,756 USD
View
B+
Retailer 3
-
$116,671 NZD
$65,756 USD
View
B+
Retailer 4
-
$117,328 NZD
$66,127 USD
View
B+
Retailer 5
-
$121,569 NZD
£53,950 GBP
View
Retailer 6
-
$127,169 NZD
$71,673 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
$129,636 NZD
$73,063 USD
View
B+
Retailer 8
-
$137,114 NZD
$77,278 USD
View
B
Retailer 9
-
$145,572 NZD
€78,138 EUR
View
Most Expensive
B
MOH London
C763388CD · Nov 1
$190,664 NZD
£84,613 GBP
View
9 more retailers have this diamond
Prices start from $114,589 NZDSave up to $76,075 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
5.51ct Round
$114,589 NZD