Round|Natural|GIA

2.05ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7426802670

Certificate GIA 7426802670

Diamond specifications and retailer prices

From £22,058 GBP
$29,374 USD
As of October 28, 2026
Save £11,267 GBP (34%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £39,455 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 7426802670. Listed at 22 retailers as of October 27, 2026, with a 51% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7426802670
Dimensions8.11 × 8.07 × 5.04 mm
L/W Ratio1.00
Top View
8.11 mm8.07 mm2.05 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7426802670
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

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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 28
Current: £22,736 GBP|Low: £20,996 GBP|High: £38,295 GBP|Avg: £27,145 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£20,996 GBP
Retailer 7£22,210 GBP
Retailer 1£22,736 GBP
Retailer 8£24,193 GBP
Retailer 2£24,211 GBP
Retailer 3£28,518 GBP
Retailer 5£33,324 GBP
Retailer 4£38,041 GBP

34 data points across 8 retailers

22 retailers£22,058 GBP to £33,324 GBP

Retailer 1
-
£20,996 GBP
$27,960 USD
Price last confirmed 9 days ago
B
Retailer 2
-
£22,058 GBP
$29,374 USD
View
B
Retailer 3
-
£22,093 GBP
$29,421 USD
View
B
Retailer 4
-
£22,210 GBP
$29,576 USD
View
Final sale: no returns
B
Retailer 5
-
£22,736 GBP
₹2,883,492 INR
View
B
Retailer 6
-
£22,842 GBP
CA$42,248 CAD
View
B
Retailer 7
-
£23,534 GBP
$31,340 USD
View
Retailer 8
-
£24,193 GBP
A$49,565 AUD
View
Price last confirmed 26 days ago
B
Retailer 9
-
£24,211 GBP
View
B
Retailer 10
-
£24,228 GBP
$32,264 USD
View
B
Retailer 11
-
£25,238 GBP
$33,609 USD
View
B
Retailer 12
-
£25,306 GBP
$33,700 USD
View
B
Retailer 13
-
£25,306 GBP
$33,700 USD
View
B
Retailer 14
-
£25,440 GBP
$33,878 USD
View
B
Retailer 15
-
£26,147 GBP
$34,820 USD
View
B
Retailer 16
-
£26,247 GBP
$34,953 USD
View
B
Retailer 17
-
£27,257 GBP
$36,298 USD
View
B
Retailer 18
-
£28,326 GBP
$37,721 USD
View
B
Retailer 19
-
£28,518 GBP
€36,168 EUR
View
B
Retailer 20
-
£33,324 GBP
ZAR 716,923 ZAR
View
Retailer 21
-
£38,041 GBP
View
Price under review
Most Expensive
Diamond Quarter
2.05SI1D7470DE77N · Oct 29
£39,455 GBP
View
Price under review
21 more retailers have this diamond
Prices start from £22,058 GBPSave up to £11,267 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
£22,058 GBP