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Round|Natural|GIA

1.10ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1246015907

Certificate GIA 1246015907

Diamond specifications and retailer prices

From £2,021 GBP
$2,708 USD
As of October 30, 2026
Save £2,653 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,674 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.1ct natural round diamond

This 1.1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246015907. Listed at 15 retailers as of October 30, 2026, with prices from £2,021 to £4,674, a £2,653 spread on the same certified stone. NZ Jewellers lists it at £4,674. 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

1.10
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1246015907
Dimensions6.57 × 6.53 × 4.09 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
6.57 mm6.53 mm1.10 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246015907
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 30
Current: £4,674 GBP|Low: £2,021 GBP|High: £4,674 GBP|Avg: £2,704 GBP|+14.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 3£2,021 GBP
Retailer 15£2,064 GBP
Retailer 10£2,151 GBP
Retailer 17£2,236 GBP
Retailer 13£2,322 GBP
Retailer 7£2,342 GBP
Retailer 5£2,425 GBP
Retailer 9£2,463 GBP
Retailer 2£2,474 GBP
Retailer 6£2,511 GBP
Retailer 16£2,548 GBP
Retailer 14£2,580 GBP
Retailer 12£2,592 GBP
Retailer 8£2,824 GBP
Retailer 11£3,739 GBP
Retailer 4£4,068 GBP
NZ Jewellers£4,674 GBP

30 data points across 17 retailers

15 retailers£2,021 GBP to £4,674 GBP

A
Cheapest Retailer
-
£2,021 GBP
$2,708 USD
B+
Retailer 2
-
£2,064 GBP
$2,765 USD
View
Final sale: no returns
B+
Retailer 3
-
£2,151 GBP
View
B+
Retailer 4
-
£2,236 GBP
$2,996 USD
View
B+
Retailer 5
-
£2,322 GBP
$3,111 USD
View
Retailer 6
-
£2,463 GBP
$3,300 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
£2,474 GBP
€3,157 EUR
View
Retailer 8
-
£2,511 GBP
A$5,176 AUD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
£2,548 GBP
$3,414 USD
View
B+
Retailer 10
-
£2,580 GBP
$3,457 USD
View
B+
Retailer 11
-
£2,592 GBP
View
Retailer 12
-
£2,824 GBP
ZAR 61,120 ZAR
View
Price last confirmed 32 days ago
B
Retailer 13
-
£3,739 GBP
View
B
Retailer 14
-
£4,068 GBP
$5,451 USD
View
Most Expensive
B
NZ Jewellers
f41e9c6f-b0cb-467c-8452-bdbc61fa08b1 · Oct 30
£4,674 GBP
$6,263 USD
View
14 more retailers have this diamond
Prices start from £2,021 GBPSave up to £2,653 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
1.10ct Round
£2,021 GBP