CaratHunter
Plans
Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 2111372272

Certificate GIA 2111372272

Diamond specifications and retailer prices

From £7,389 GBP
$9,900 USD
As of October 25, 2026
Save £7,138 GBP (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £14,527 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2111372272. Listed at 20 retailers as of October 25, 2026, with prices from £7,389 to £14,527, a £7,138 spread on the same certified stone. Diamond Quarter lists it at £14,527. 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

1.51
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2111372272
Dimensions7.45 × 7.42 × 4.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.45 mm7.42 mm1.51 ctD / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2111372272
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.2%

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: £8,939 GBP|Low: £7,389 GBP|High: £13,878 GBP|Avg: £10,042 GBP|-0.4%
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
October 31, 2026
Retailer 9£7,389 GBP
Retailer 12£7,966 GBP
Retailer 10£8,327 GBP
Retailer 14£8,327 GBP
Retailer 1£8,939 GBP
Retailer 4£9,021 GBP
Retailer 11£9,159 GBP
Retailer 13£9,630 GBP
Retailer 7£10,042 GBP
Retailer 2£10,408 GBP
Retailer 5£10,952 GBP
Retailer 6£11,870 GBP
Retailer 8£13,074 GBP
Retailer 3£13,878 GBP

42 data points across 14 retailers

20 retailers£7,389 GBP to £14,527 GBP

B+
Cheapest Retailer
-
£7,389 GBP
$9,900 USD
B
Retailer 2
-
£7,589 GBP
$10,169 USD
View
B
Retailer 3
-
£7,725 GBP
$10,351 USD
View
B
Retailer 4
-
£7,966 GBP
CA$14,825 CAD
View
B
Retailer 5
-
£8,327 GBP
$11,157 USD
View
Final sale: no returns
B
Retailer 6
-
£8,327 GBP
$11,157 USD
View
Retailer 7
-
£8,472 GBP
$11,352 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
£8,939 GBP
View
B
Retailer 9
-
£9,021 GBP
$12,087 USD
View
B
Retailer 10
-
£9,159 GBP
$12,272 USD
View
B
Retailer 11
-
£9,630 GBP
$12,903 USD
View
B
Retailer 12
-
£9,702 GBP
$13,000 USD
View
B
Retailer 13
-
£9,702 GBP
$13,000 USD
View
B
Retailer 14
-
£10,023 GBP
$13,430 USD
View
B
Retailer 15
-
£10,042 GBP
€12,814 EUR
View
B
Retailer 16
-
£10,408 GBP
$13,946 USD
View
Retailer 17
-
£10,952 GBP
$14,675 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
£13,074 GBP
View
B
Retailer 19
-
£13,878 GBP
$18,595 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D21726670N · Oct 29
£14,527 GBP
View
19 more retailers have this diamond
Prices start from £7,389 GBPSave up to £7,138 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
£7,389 GBP