CaratHunter
Plans
Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 7538261593

Certificate GIA 7538261593

Diamond specifications and retailer prices

From £7,788 GBP
SGD 14,102 SGD
As of October 31, 2026
Save £6,647 GBP (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £14,436 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7538261593. Listed at 13 retailers as of October 30, 2026, with prices from £7,788 to £14,436, a £6,647 spread on the same certified stone. NZ Jewellers lists it at £14,436. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 7538261593
Dimensions8.50 × 8.42 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Needle
Top View
8.50 mm8.42 mm2.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7538261593
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.9%

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: £14,436 GBP|Low: £7,788 GBP|High: £14,436 GBP|Avg: £10,844 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7£7,788 GBP
Retailer 6£8,584 GBP
Retailer 4£9,274 GBP
Retailer 9£9,560 GBP
Retailer 3£9,995 GBP
Retailer 8£10,755 GBP
Retailer 2£10,914 GBP
Retailer 5£13,600 GBP
NZ Jewellers£14,436 GBP

37 data points across 9 retailers

13 retailers£7,788 GBP to £14,436 GBP

Retailer 1
-
£7,509 GBP
HK$78,600 HKD
Price last confirmed 57 days ago
A
Retailer 2
-
£7,788 GBP
SGD 14,102 SGD
View
A
Retailer 3
-
£8,584 GBP
$11,502 USD
View
A
Retailer 4
-
£8,869 GBP
$11,884 USD
View
A
Retailer 5
-
£8,884 GBP
$11,903 USD
View
A
Retailer 6
-
£9,274 GBP
View
A
Retailer 7
-
£9,560 GBP
$12,810 USD
View
A
Retailer 8
-
£9,995 GBP
View
Retailer 9
-
£10,198 GBP
$13,664 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
£10,755 GBP
$14,411 USD
View
A
Retailer 11
-
£10,914 GBP
€13,927 EUR
View
A
Retailer 12
-
£13,600 GBP
View
Most Expensive
B+
NZ Jewellers
db261ead-62b1-416c-9332-9de4cecf5d26 · Oct 30
£14,436 GBP
$19,342 USD
View
12 more retailers have this diamond
Prices start from £7,788 GBPSave up to £6,647 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
2.51ct Round
£7,788 GBP