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Round|Natural|GIA

2.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556408746

Certificate GIA 2556408746

Diamond specifications and retailer prices

From $20,863 NZD
As of November 3, 2026
Save $5,305 NZD (20%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $36,220 NZD at MOH London · As of October 21, 2026
View at MOH London

About this 2.05ct natural round diamond

This 2.05ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556408746. Listed at 18 retailers as of November 3, 2026, with a 25% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556408746
Dimensions8.05 × 8.10 × 5.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.05 mm8.10 mm2.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556408746
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.1%

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: Nov 3
Current: $36,220 NZD|Low: $20,863 NZD|High: $36,459 NZD|Avg: $26,841 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 9$20,863 NZD
Retailer 13$21,265 NZD
Retailer 11$21,660 NZD
Retailer 2$22,130 NZD
Retailer 6$23,183 NZD
Retailer 5$24,620 NZD
Retailer 4$25,006 NZD
Retailer 7$25,314 NZD
Retailer 10$25,314 NZD
Retailer 8$26,168 NZD
Retailer 3$28,882 NZD
Retailer 12$31,278 NZD
MOH London$36,220 NZD

37 data points across 13 retailers

18 retailers$20,863 NZD to $26,168 NZD

Retailer 1
-
$20,059 NZD
Price last confirmed 13 days ago
A
Retailer 2
-
$20,863 NZD
View
Final sale: no returns
Retailer 3
-
$21,265 NZD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$21,660 NZD
View
B+
Retailer 5
-
$22,130 NZD
View
B+
Retailer 6
-
$23,183 NZD
View
Retailer 7
-
$24,620 NZD
View
Price last confirmed 14 days ago
Retailer 8
-
$25,006 NZD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$25,314 NZD
View
B+
Retailer 10
-
$25,314 NZD
View
B+
Retailer 11
-
$26,168 NZD
View
Retailer 12
-
$27,158 NZD
View
Price last confirmed 38 days ago
Retailer 13
-
$27,584 NZD
View
Price last confirmed 39 days ago
Retailer 14
-
$28,274 NZD
View
Price last confirmed 19 days ago
Retailer 15
-
$28,644 NZD
View
Price last confirmed 38 days ago
Retailer 16
-
$31,278 NZD
View
Price last confirmed 15 days ago
Retailer 17
-
$32,678 NZD
View
Price last confirmed 39 days ago
Most Expensive
MOH London
37689B423 · Oct 21
$36,220 NZD
£16,032 GBP
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from $20,863 NZDSave up to $5,305 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
2.05ct Round
$20,863 NZD