Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2221820466

Certificate GIA 2221820466

Diamond specifications and retailer prices

From $75,452 NZD
$42,525 USD
As of November 1, 2026
Save $62,361 NZD (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $137,813 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2221820466. Listed at 20 retailers as of November 1, 2026, with prices from $75,452 to $137,813, a $62,361 spread on the same certified stone. MOH London lists it at $137,813. 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

3.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2221820466
Dimensions9.75 × 9.69 × 5.96 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.75 mm9.69 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2221820466
Side View
Table 60.0%Crown 33.5°Girdle: ThickPavilion 41.4°Culet: NoneDepth 61.4%

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 1
Current: $137,813 NZD|Low: $75,452 NZD|High: $139,474 NZD|Avg: $94,406 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$75,452 NZD
Retailer 3$79,836 NZD
Retailer 8$79,969 NZD
Retailer 7$84,476 NZD
Retailer 2$87,562 NZD
Retailer 9$91,919 NZD
Retailer 4$103,343 NZD
Retailer 5$114,394 NZD
MOH London$137,813 NZD

35 data points across 9 retailers

20 retailers$75,452 NZD to $137,813 NZD

B+
Cheapest Retailer
-
$75,452 NZD
$42,525 USD
B+
Retailer 2
-
$79,836 NZD
₹4,285,319 INR
View
B+
Retailer 3
-
$79,891 NZD
$45,027 USD
View
B+
Retailer 4
-
$79,969 NZD
$45,071 USD
View
B+
Retailer 5
-
$82,641 NZD
CA$64,690 CAD
View
Retailer 6
-
$84,476 NZD
A$73,247 AUD
View
Price last confirmed 29 days ago
B
Retailer 7
-
$85,468 NZD
$48,170 USD
View
B+
Retailer 8
-
$87,562 NZD
£38,858 GBP
View
B
Retailer 9
-
$88,243 NZD
$49,734 USD
View
B
Retailer 10
-
$91,643 NZD
$51,650 USD
View
B
Retailer 11
-
$91,643 NZD
$51,650 USD
View
B
Retailer 12
-
$91,919 NZD
$51,806 USD
View
B
Retailer 13
-
$91,919 NZD
$51,806 USD
View
B
Retailer 14
-
$94,694 NZD
$53,370 USD
View
B
Retailer 15
-
$95,596 NZD
$53,878 USD
View
B
Retailer 16
-
$99,272 NZD
$55,950 USD
View
B
Retailer 17
-
$99,808 NZD
$56,252 USD
View
B
Retailer 18
-
$103,343 NZD
€55,471 EUR
View
B
Retailer 19
-
$114,394 NZD
ZAR 1,041,566 ZAR
View
Most Expensive
B
MOH London
2C4CE80FA · Nov 1
$137,813 NZD
£61,159 GBP
View
19 more retailers have this diamond
Prices start from $75,452 NZDSave up to $62,361 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+
3.50ct Round
$75,452 NZD