Round|Natural|GIA

3.11ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1226638556

Certificate GIA 1226638556

Diamond specifications and retailer prices

From $55,229 NZD
€29,595 EUR
As of November 2, 2026
Save $3,423 NZD (6%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $78,854 NZD at MOH London · As of October 19, 2026
View at MOH London

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1226638556. Listed at 9 retailers as of November 1, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.11
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1226638556
Dimensions9.33 × 9.30 × 5.78 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Needle
Top View
9.33 mm9.30 mm3.11 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1226638556
Side View
Table 58.0%Crown 35.5°Girdle: STK-UNDPavilion 41°Culet: NoneDepth 62.1%

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: Nov 2
Current: $78,854 NZD|Low: $46,196 NZD|High: $79,380 NZD|Avg: $56,443 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$48,156 NZD
Retailer 7$50,583 NZD
Retailer 6$50,817 NZD
Retailer 3$52,009 NZD
Retailer 10$52,315 NZD
Retailer 9$55,132 NZD
Retailer 8$55,661 NZD
Retailer 2$58,652 NZD
Retailer 5$64,189 NZD
MOH London$78,854 NZD

37 data points across 10 retailers

9 retailers$55,229 NZD to $58,652 NZD

Retailer 1
-
$48,156 NZD
$27,095 USD
Price last confirmed 15 days ago
Retailer 2
-
$50,583 NZD
A$43,786 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$52,009 NZD
£23,042 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
$52,315 NZD
$29,435 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$55,132 NZD
$31,020 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$55,229 NZD
€29,595 EUR
View
B
Retailer 7
-
$58,652 NZD
€31,429 EUR
View
Retailer 8
-
$64,189 NZD
ZAR 583,460 ZAR
View
Price last confirmed 15 days ago
Most Expensive
MOH London
80627ED0F · Oct 19
$78,854 NZD
£34,935 GBP
View
Price last confirmed 14 days ago
8 more retailers have this diamond
Prices start from $55,229 NZDSave up to $3,423 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.

B+
3.11ct Round
$55,229 NZD