Round|Natural|GIA

2.09ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2176462345

Certificate GIA 2176462345

Diamond specifications and retailer prices

From £20,255 GBP
$27,139 USD
As of October 29, 2026
Save £7,357 GBP (27%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £38,207 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.09ct natural round diamond

This 2.09ct 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 2176462345. Listed at 13 retailers as of October 29, 2026, with a 36% 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2176462345
Dimensions8.24 × 8.20 × 5.08 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.24 mm8.20 mm2.09 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2176462345
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £22,015 GBP|Low: £20,255 GBP|High: £27,612 GBP|Avg: £22,952 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4£20,255 GBP
Retailer 3£20,341 GBP
Retailer 1£22,015 GBP
Retailer 5£23,711 GBP
Retailer 2£27,612 GBP

46 data points across 5 retailers

13 retailers£20,255 GBP to £27,612 GBP

B+
Cheapest Retailer
-
£20,255 GBP
$27,139 USD
Retailer 2
-
£20,341 GBP
$27,255 USD
View
Price last confirmed 9 days ago
B
Retailer 3
-
£21,392 GBP
$28,663 USD
View
B
Retailer 4
-
£21,789 GBP
$29,196 USD
View
B+
Retailer 5
-
£22,015 GBP
₹2,809,338 INR
View
B
Retailer 6
-
£22,116 GBP
CA$41,157 CAD
View
B
Retailer 7
-
£23,711 GBP
$31,770 USD
View
B
Retailer 8
-
£24,517 GBP
$32,850 USD
View
B
Retailer 9
-
£24,517 GBP
$32,850 USD
View
B
Retailer 10
-
£27,375 GBP
$36,680 USD
View
B
Retailer 11
-
£27,426 GBP
$36,748 USD
View
B
Retailer 12
-
£27,612 GBP
€35,235 EUR
View
Most Expensive
Diamond Quarter
2.09SI1D214522E6N · Oct 29
£38,207 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £20,255 GBPSave up to £7,357 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+
2.09ct Round
£20,255 GBP