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Round|Natural|GIA

2.70ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6455600663

Certificate GIA 6455600663

Diamond specifications and retailer prices

From £25,077 GBP
$33,600 USD
As of November 1, 2026
Save £19,977 GBP (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £45,054 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 2.7ct natural round diamond

This 2.7ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6455600663. Listed at 9 retailers as of November 1, 2026, with prices from £25,077 to £45,054, a £19,977 spread on the same certified stone. Diamond Quarter lists it at £45,054. 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

2.70
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6455600663
Dimensions8.93 × 8.90 × 5.51 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
8.93 mm8.90 mm2.70 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6455600663
Side View
Table 58.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: 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: Nov 1
Current: £28,802 GBP|Low: £25,077 GBP|High: £45,527 GBP|Avg: £32,466 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6£25,077 GBP
Retailer 5£25,338 GBP
Retailer 7£28,283 GBP
Retailer 1£28,802 GBP
Retailer 8£28,804 GBP
Retailer 3£34,794 GBP
Retailer 4£39,830 GBP
Retailer 2£44,985 GBP

43 data points across 8 retailers

9 retailers£25,077 GBP to £45,054 GBP

B+
Cheapest Retailer
-
£25,077 GBP
$33,600 USD
B+
Retailer 2
-
£25,338 GBP
$33,950 USD
View
Retailer 3
-
£28,283 GBP
A$58,301 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
£28,802 GBP
View
B
Retailer 5
-
£28,804 GBP
$38,594 USD
View
B
Retailer 6
-
£34,794 GBP
€44,400 EUR
View
B
Retailer 7
-
£39,830 GBP
ZAR 862,156 ZAR
View
B
Retailer 8
-
£44,985 GBP
View
Most Expensive
B
Diamond Quarter
2.7SI1G64634B91N · Nov 2
£45,054 GBP
View
8 more retailers have this diamond
Prices start from £25,077 GBPSave up to £19,977 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+
2.70ct Round
£25,077 GBP