CaratHunter
Plans
Round|Natural|GIA

2.66ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1475699002

Certificate GIA 1475699002

Diamond specifications and retailer prices

From £15,764 GBP
$21,155 USD
As of November 1, 2026
Save £11,051 GBP (41%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £26,815 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.66ct natural round diamond

This 2.66ct 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 1475699002. Listed at 24 retailers as of November 1, 2026, with prices from £15,764 to £26,815, a £11,051 spread on the same certified stone. MOH London lists it at £26,815. 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

2.66
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1475699002
Dimensions9.01 × 9.07 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.01 mm9.07 mm2.66 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1475699002
Side View
Table 59.0%Crown 32.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 59.8%

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 1
Current: £26,815 GBP|Low: £15,645 GBP|High: £27,138 GBP|Avg: £19,355 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£16,378 GBP
Retailer 8£16,454 GBP
Retailer 6£16,575 GBP
Retailer 3£17,170 GBP
Retailer 9£17,589 GBP
Retailer 7£17,680 GBP
Retailer 4£20,616 GBP
Retailer 5£23,741 GBP
MOH London£26,815 GBP

34 data points across 9 retailers

24 retailers£15,764 GBP to £26,815 GBP

B+
Cheapest Retailer
-
£15,764 GBP
$21,155 USD
B+
Retailer 2
-
£15,784 GBP
$21,181 USD
View
B+
Retailer 3
-
£15,911 GBP
$21,352 USD
View
A
Retailer 4
-
£16,378 GBP
₹2,093,125 INR
View
B+
Retailer 5
-
£16,454 GBP
$22,080 USD
View
Final sale: no returns
B+
Retailer 6
-
£16,575 GBP
$22,242 USD
View
B+
Retailer 7
-
£16,733 GBP
$22,455 USD
View
B+
Retailer 8
-
£17,170 GBP
View
Retailer 9
-
£17,170 GBP
$23,041 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£17,571 GBP
$23,580 USD
View
Retailer 11
-
£17,589 GBP
A$36,313 AUD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
£17,680 GBP
$23,725 USD
View
Retailer 13
-
£18,028 GBP
$24,193 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
£18,350 GBP
$24,624 USD
View
B+
Retailer 15
-
£18,414 GBP
$24,710 USD
View
B+
Retailer 16
-
£18,414 GBP
$24,710 USD
View
Retailer 17
-
£18,601 GBP
$24,961 USD
View
Price last confirmed 25 days ago
B
Retailer 18
-
£19,025 GBP
$25,530 USD
View
Retailer 19
-
£19,297 GBP
$25,895 USD
View
Price last confirmed 10 days ago
Retailer 20
-
£19,316 GBP
$25,921 USD
View
Price last confirmed 24 days ago
B+
Retailer 21
-
£20,616 GBP
€26,348 EUR
View
B+
Retailer 22
-
£20,663 GBP
$27,728 USD
View
B
Retailer 23
-
£23,741 GBP
ZAR 514,695 ZAR
View
Most Expensive
B
MOH London
7CE9FE39F · Nov 1
£26,815 GBP
View
23 more retailers have this diamond
Prices start from £15,764 GBPSave up to £11,051 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.

A
2.66ct Round
£15,764 GBP