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Round|Natural|GIA

3.05ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2538585270

Certificate GIA 2538585270

Diamond specifications and retailer prices

From $42,494 NZD
$23,950 USD
As of October 28, 2026
Save $28,822 NZD (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $71,317 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538585270. Listed at 14 retailers as of October 28, 2026, with prices from $42,494 to $71,317, a $28,822 spread on the same certified stone. MOH London lists it at $71,317. 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

3.05
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2538585270
Dimensions9.23 × 9.19 × 5.74 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
9.23 mm9.19 mm3.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538585270
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.3%

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 28
Current: $71,317 NZD|Low: $38,586 NZD|High: $72,752 NZD|Avg: $48,704 NZD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 9$38,586 NZD
Retailer 7$41,689 NZD
Retailer 12$42,494 NZD
Retailer 2$42,980 NZD
Retailer 8$43,203 NZD
Retailer 4$43,444 NZD
Retailer 10$43,527 NZD
Retailer 6$44,911 NZD
Retailer 5$54,791 NZD
Retailer 11$55,816 NZD
Retailer 3$57,558 NZD
MOH London$71,317 NZD

31 data points across 12 retailers

14 retailers$42,494 NZD to $71,317 NZD

Retailer 1
-
$38,586 NZD
HK$169,900 HKD
Price last confirmed 9 days ago
Retailer 2
-
$41,689 NZD
$23,496 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$42,494 NZD
$23,950 USD
View
A
Retailer 4
-
$42,980 NZD
₹2,307,019 INR
View
A
Retailer 5
-
$43,203 NZD
$24,349 USD
View
A
Retailer 6
-
$43,444 NZD
$24,485 USD
View
A
Retailer 7
-
$43,527 NZD
$24,532 USD
View
Final sale: no returns
Retailer 8
-
$44,911 NZD
£19,931 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
$47,947 NZD
$27,023 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
$51,435 NZD
A$44,598 AUD
View
Retailer 11
-
$54,791 NZD
€29,410 EUR
View
Price last confirmed 8 days ago
Retailer 12
-
$55,816 NZD
$31,458 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$57,558 NZD
$32,440 USD
View
Most Expensive
B
MOH London
BDB36EB4A · Oct 29
$71,317 NZD
£31,649 GBP
View
13 more retailers have this diamond
Prices start from $42,494 NZDSave up to $28,822 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
3.05ct Round
$42,494 NZD