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Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2557312305

Certificate GIA 2557312305

Diamond specifications and retailer prices

From $50,654 NZD
$28,549 USD
As of November 1, 2026
Save $27,744 NZD (35%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $78,399 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557312305. Listed at 14 retailers as of November 1, 2026, with prices from $50,654 to $78,399, a $27,744 spread on the same certified stone. MOH London lists it at $78,399. 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

3.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 2557312305
Dimensions9.05 × 9.12 × 5.78 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.05 mm9.12 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557312305
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilionCulet: NoneDepth 63.6%

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: Nov 1
Current: $78,399 NZD|Low: $50,325 NZD|High: $80,648 NZD|Avg: $59,448 NZD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$50,654 NZD
Retailer 6$50,791 NZD
Retailer 4$50,907 NZD
Retailer 11$52,505 NZD
Retailer 8$53,841 NZD
Retailer 2$55,767 NZD
Retailer 3$58,419 NZD
Retailer 9$60,273 NZD
Retailer 7$61,068 NZD
Retailer 12$62,592 NZD
Retailer 5$65,075 NZD
MOH London$78,399 NZD

41 data points across 12 retailers

14 retailers$50,654 NZD to $78,399 NZD

A
Cheapest Retailer
-
$50,654 NZD
$28,549 USD
A
Retailer 2
-
$50,791 NZD
$28,626 USD
View
Final sale: no returns
Retailer 3
-
$50,907 NZD
A$44,141 AUD
View
Price last confirmed 29 days ago
Retailer 4
-
$52,505 NZD
$29,592 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$53,220 NZD
$29,995 USD
View
Price last confirmed 44 days ago
B+
Retailer 6
-
$53,841 NZD
$30,345 USD
View
B+
Retailer 7
-
$55,767 NZD
£24,748 GBP
View
Retailer 8
-
$58,419 NZD
$32,925 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$60,273 NZD
$33,970 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$61,068 NZD
€32,779 EUR
View
Retailer 11
-
$62,592 NZD
$35,277 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$63,445 NZD
$35,758 USD
View
Price last confirmed 44 days ago
B
Retailer 13
-
$65,075 NZD
ZAR 592,514 ZAR
View
Most Expensive
B
MOH London
31F277C67 · Nov 1
$78,399 NZD
£34,792 GBP
View
13 more retailers have this diamond
Prices start from $50,654 NZDSave up to $27,744 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
3.00ct Round
$50,654 NZD