Round|Natural|GIA

2.05ct D SI1 Round Natural Diamond

ID • D/SI1 • GIA 39

Certificate GIA 39

Diamond specifications and retailer prices

From £20,913 GBP
$27,849 USD
As of October 29, 2026
Save £3,554 GBP (15%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £27,257 GBP at Aurelinne · As of September 6, 2026
View at Aurelinne

About this 2.05ct natural round diamond

This 2.05ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 5 retailers as of October 29, 2026, with a relatively tight 17% 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

2.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 39
Dimensions8.07 × 8.11 × 5.04 mm
L/W Ratio1.00
Top View
8.07 mm8.11 mm2.05 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 39
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £27,257 GBP|Low: £20,913 GBP|High: £27,257 GBP|Avg: £24,477 GBP
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 29, 2026
Retailer 3£20,913 GBP
Retailer 8£22,504 GBP
Retailer 4£24,228 GBP
Retailer 7£24,467 GBP
Retailer 5£25,238 GBP
Retailer 2£25,440 GBP
Retailer 6£26,247 GBP
Aurelinne£27,257 GBP

2 data points across 8 retailers

5 retailers£20,913 GBP to £24,467 GBP

B
Cheapest Retailer
-
£20,913 GBP
$27,849 USD
B
Retailer 2
-
£22,504 GBP
$29,969 USD
View
B
Retailer 3
-
£24,467 GBP
$32,582 USD
View
Retailer 4
-
£26,247 GBP
$34,953 USD
View
Price last confirmed 52 days ago
Most Expensive
Aurelinne
40a2f7f4-ead5-4c61-a4c6-368c2e228d6c · Sep 6
£27,257 GBP
$36,298 USD
View
Price last confirmed 54 days ago
4 more retailers have this diamond
Prices start from £20,913 GBPSave up to £3,554 GBP

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
2.05ct Round
£20,913 GBP