Round|Natural|GIA

1.27ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2233925604

Certificate GIA 2233925604

Diamond specifications and retailer prices

From £1,921 GBP
$2,574 USD
As of October 31, 2026
Save £1,013 GBP (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,934 GBP at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2233925604. Listed at 5 retailers as of October 30, 2026, with prices from £1,921 to £2,934, a £1,013 spread on the same certified stone. 77 Diamonds lists it at £2,934. 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

1.27
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2233925604
Dimensions6.92 × 6.94 × 4.34 mm
L/W Ratio1.00
Top View
6.92 mm6.94 mm1.27 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2233925604
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.7%

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: Oct 31
Current: £2,934 GBP|Low: £1,921 GBP|High: £2,952 GBP|Avg: £2,381 GBP|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4£1,921 GBP
Retailer 3£1,941 GBP
Retailer 2£2,765 GBP
77 Diamonds£2,934 GBP

27 data points across 4 retailers

5 retailers£1,921 GBP to £2,934 GBP

A
Cheapest Retailer
-
£1,921 GBP
$2,574 USD
A
Retailer 2
-
£1,941 GBP
$2,601 USD
View
A
Retailer 3
-
£2,093 GBP
A$4,314 AUD
View
B+
Retailer 4
-
£2,765 GBP
€3,528 EUR
View
Most Expensive
B+
77 Diamonds
RBZZXSUHX4H · Oct 30
£2,934 GBP
View
4 more retailers have this diamond
Prices start from £1,921 GBPSave up to £1,013 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
1.27ct Round
£1,921 GBP