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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5232944157

Certificate GIA 5232944157

Diamond specifications and retailer prices

From £2,188 GBP
HK$22,900 HKD
As of October 31, 2026
Save £2,911 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,098 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5232944157. Listed at 18 retailers as of October 30, 2026, with prices from £2,188 to £5,098, a £2,911 spread on the same certified stone. NZ Jewellers lists it at £5,098. 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

1.20
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5232944157
Dimensions6.70 × 6.79 × 4.27 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.70 mm6.79 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5232944157
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.4%

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: £5,098 GBP|Low: £2,092 GBP|High: £5,098 GBP|Avg: £3,101 GBP|+0.9%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 13£2,188 GBP
Retailer 12£2,220 GBP
Retailer 10£2,426 GBP
Retailer 19£2,488 GBP
Retailer 15£2,617 GBP
Retailer 9£2,660 GBP
Retailer 16£2,670 GBP
Retailer 18£2,701 GBP
Retailer 2£2,926 GBP
Retailer 8£2,935 GBP
Retailer 17£2,974 GBP
Retailer 14£3,108 GBP
Retailer 4£3,113 GBP
Retailer 6£3,261 GBP
Retailer 5£3,355 GBP
Retailer 7£3,441 GBP
Retailer 11£3,506 GBP
Retailer 3£4,752 GBP
NZ Jewellers£5,098 GBP

17 data points across 19 retailers

18 retailers£2,188 GBP to £5,098 GBP

A
Cheapest Retailer
-
£2,188 GBP
HK$22,900 HKD
A
Retailer 2
-
£2,220 GBP
₹283,331 INR
View
A
Retailer 3
-
£2,426 GBP
$3,250 USD
View
A
Retailer 4
-
£2,488 GBP
$3,333 USD
View
B+
Retailer 5
-
£2,617 GBP
$3,506 USD
View
B+
Retailer 6
-
£2,660 GBP
SGD 4,817 SGD
View
B+
Retailer 7
-
£2,670 GBP
$3,577 USD
View
B+
Retailer 8
-
£2,701 GBP
$3,619 USD
View
Final sale: no returns
B+
Retailer 9
-
£2,926 GBP
$3,921 USD
View
B+
Retailer 10
-
£2,935 GBP
$3,932 USD
View
B+
Retailer 11
-
£2,974 GBP
View
B+
Retailer 12
-
£3,108 GBP
$4,164 USD
View
B+
Retailer 13
-
£3,113 GBP
€3,972 EUR
View
B+
Retailer 14
-
£3,261 GBP
$4,369 USD
View
B+
Retailer 15
-
£3,355 GBP
$4,496 USD
View
B+
Retailer 16
-
£3,441 GBP
ZAR 74,490 ZAR
View
B
Retailer 17
-
£4,752 GBP
View
Most Expensive
B
NZ Jewellers
88b35d90-d5cd-444f-a204-a725cfa3a6e9 · Oct 30
£5,098 GBP
$6,831 USD
View
17 more retailers have this diamond
Prices start from £2,188 GBPSave up to £2,911 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
1.20ct Round
£2,188 GBP