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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7553608628

Certificate GIA 7553608628

Diamond specifications and retailer prices

From £11,143 GBP
$14,930 USD
As of October 30, 2026
Save £8,412 GBP (43%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £19,555 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553608628. Listed at 30 retailers as of October 29, 2026, with prices from £11,143 to £19,555, a £8,412 spread on the same certified stone. MOH London lists it at £19,555. 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

2.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7553608628
Dimensions8.65 × 8.60 × 5.40 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
8.65 mm8.60 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553608628
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 63.2%

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: £19,555 GBP|Low: £11,222 GBP|High: £19,686 GBP|Avg: £13,958 GBP|-0.4%
MOH London
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
October 31, 2026
Retailer 2£11,222 GBP
Retailer 8£11,267 GBP
Retailer 9£11,498 GBP
Retailer 7£11,713 GBP
Retailer 10£11,792 GBP
Retailer 5£11,935 GBP
Retailer 11£12,538 GBP
Retailer 12£12,547 GBP
Retailer 13£13,680 GBP
Retailer 14£13,788 GBP
Retailer 4£13,874 GBP
Retailer 6£14,337 GBP
Retailer 3£15,048 GBP
MOH London£19,555 GBP

31 data points across 14 retailers

30 retailers£11,143 GBP to £19,555 GBP

A
Cheapest Retailer
-
£11,143 GBP
$14,930 USD
A
Retailer 2
-
£11,222 GBP
$15,036 USD
View
A
Retailer 3
-
£11,267 GBP
$15,097 USD
View
A
Retailer 4
-
£11,498 GBP
$15,406 USD
View
A
Retailer 5
-
£11,713 GBP
₹1,494,730 INR
View
A
Retailer 6
-
£11,768 GBP
A$24,259 AUD
View
A
Retailer 7
-
£11,792 GBP
$15,800 USD
View
A
Retailer 8
-
£11,935 GBP
$15,992 USD
View
Final sale: no returns
A
Retailer 9
-
£12,455 GBP
$16,688 USD
View
A
Retailer 10
-
£12,538 GBP
$16,799 USD
View
A
Retailer 11
-
£12,547 GBP
View
A
Retailer 12
-
£12,985 GBP
$17,398 USD
View
A
Retailer 13
-
£13,285 GBP
$17,800 USD
View
A
Retailer 14
-
£13,303 GBP
$17,824 USD
View
Retailer 15
-
£13,492 GBP
$18,078 USD
View
Price last confirmed 53 days ago
Retailer 16
-
£13,492 GBP
$18,078 USD
View
Price last confirmed 32 days ago
A
Retailer 17
-
£13,492 GBP
$18,078 USD
View
B+
Retailer 18
-
£13,645 GBP
A$28,128 AUD
View
A
Retailer 19
-
£13,680 GBP
$18,330 USD
View
B+
Retailer 20
-
£13,788 GBP
$18,474 USD
View
B+
Retailer 21
-
£13,874 GBP
$18,590 USD
View
Retailer 22
-
£14,012 GBP
$18,774 USD
View
Price last confirmed 33 days ago
Retailer 23
-
£14,012 GBP
$18,774 USD
View
Price last confirmed 55 days ago
Retailer 24
-
£14,019 GBP
$18,784 USD
View
Price last confirmed 8 days ago
B+
Retailer 25
-
£14,337 GBP
$19,210 USD
View
Retailer 26
-
£14,503 GBP
View
Price last confirmed 31 days ago
B+
Retailer 27
-
£14,943 GBP
$20,021 USD
View
B+
Retailer 28
-
£15,048 GBP
€19,203 EUR
View
Retailer 29
-
£17,644 GBP
$23,641 USD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
FAFCEE711 · Oct 29
£19,555 GBP
View
29 more retailers have this diamond
Prices start from £11,143 GBPSave up to £8,412 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
£11,143 GBP