Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5436864833

Certificate GIA 5436864833

Diamond specifications and retailer prices

From £10,299 GBP
$13,799 USD
As of October 31, 2026
Save £3,365 GBP (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £13,664 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5436864833. Listed at 5 retailers as of October 31, 2026, with prices from £10,299 to £13,664, a £3,365 spread on the same certified stone. 77 Diamonds lists it at £13,664. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5436864833
Dimensions8.14 × 8.08 × 5.03 mm
L/W Ratio1.01
Top View
8.14 mm8.08 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5436864833
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 31
Current: £13,664 GBP|Low: £10,299 GBP|High: £13,868 GBP|Avg: £11,671 GBP|+0.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£10,299 GBP
Retailer 2£10,793 GBP
Retailer 4£10,910 GBP
Retailer 6£11,580 GBP
Retailer 5£12,707 GBP
77 Diamonds£13,664 GBP

33 data points across 6 retailers

5 retailers£10,299 GBP to £13,664 GBP

B+
Cheapest Retailer
-
£10,299 GBP
$13,799 USD
B+
Retailer 2
-
£10,793 GBP
$14,462 USD
View
B+
Retailer 3
-
£10,910 GBP
$14,618 USD
View
B+
Retailer 4
-
£11,580 GBP
$15,515 USD
View
Most Expensive
B
77 Diamonds
RBZQVKPWVVV · Nov 1
£13,664 GBP
View
4 more retailers have this diamond
Prices start from £10,299 GBPSave up to £3,365 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
£10,299 GBP