Round|Natural|GIA

1.51ct H VS2 Round Natural Diamond

EX • H/VS2 • GIA 2126429613

Certificate GIA 2126429613

Diamond specifications and retailer prices

From £9,217 GBP
$12,350 USD
As of October 25, 2026
Save £7,246 GBP (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £19,395 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2126429613. Listed at 21 retailers as of October 25, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2126429613
Dimensions7.31 × 7.27 × 4.58 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Top View
7.31 mm7.27 mm1.51 ctH / VS2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2126429613
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: £11,119 GBP|Low: £9,113 GBP|High: £17,284 GBP|Avg: £12,433 GBP|-3.5%
Retailer 1
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
Retailer 20
October 30, 2026
Retailer 5£9,217 GBP
Retailer 6£9,585 GBP
Retailer 3£9,728 GBP
Retailer 18£9,812 GBP
Retailer 15£10,292 GBP
Retailer 13£10,480 GBP
Retailer 8£10,485 GBP
Retailer 1£11,119 GBP
Retailer 4£11,184 GBP
Retailer 9£11,269 GBP
Retailer 2£11,358 GBP
Retailer 11£11,796 GBP
Retailer 7£11,904 GBP
Retailer 19£11,904 GBP
Retailer 17£12,167 GBP
Retailer 20£12,300 GBP
Retailer 12£12,722 GBP
Retailer 10£14,853 GBP
Retailer 16£15,322 GBP
Retailer 14£16,463 GBP

38 data points across 20 retailers

21 retailers£9,217 GBP to £16,463 GBP

B+
Cheapest Retailer
-
£9,217 GBP
$12,350 USD
B
Retailer 2
-
£9,585 GBP
$12,843 USD
View
B
Retailer 3
-
£9,728 GBP
$13,034 USD
View
B
Retailer 4
-
£9,812 GBP
CA$18,259 CAD
View
B
Retailer 5
-
£10,292 GBP
$13,790 USD
View
B
Retailer 6
-
£10,480 GBP
$14,042 USD
View
Final sale: no returns
B
Retailer 7
-
£10,485 GBP
$14,049 USD
View
B
Retailer 8
-
£11,119 GBP
View
B
Retailer 9
-
£11,184 GBP
$14,985 USD
View
Retailer 10
-
£11,269 GBP
A$23,229 AUD
View
Price last confirmed 7 days ago
B
Retailer 11
-
£11,358 GBP
$15,219 USD
View
B
Retailer 12
-
£11,796 GBP
$15,805 USD
View
B
Retailer 13
-
£11,904 GBP
$15,950 USD
View
B
Retailer 14
-
£11,904 GBP
$15,950 USD
View
B
Retailer 15
-
£12,167 GBP
$16,303 USD
View
B
Retailer 16
-
£12,300 GBP
$16,480 USD
View
B
Retailer 17
-
£12,722 GBP
€16,234 EUR
View
B
Retailer 18
-
£14,853 GBP
$19,902 USD
View
B
Retailer 19
-
£15,322 GBP
ZAR 331,663 ZAR
View
B
Retailer 20
-
£16,463 GBP
View
Most Expensive
Diamond Quarter
1.51VS2H21134E4CN · Oct 29
£19,395 GBP
View
Price under review
20 more retailers have this diamond
Prices start from £9,217 GBPSave up to £7,246 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.

B+
1.51ct Round
£9,217 GBP