CaratHunter
Plans
Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5231835612

Certificate GIA 5231835612

Diamond specifications and retailer prices

From €3,629 EUR
HK$31,800 HKD
As of November 1, 2026
Save €4,050 EUR (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,679 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231835612. Listed at 14 retailers as of November 1, 2026, with prices from €3,629 to €7,679, a €4,050 spread on the same certified stone. MOH London lists it at €7,679. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231835612
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
Top View
7.28 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5231835612
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: Nov 1
Current: €7,679 EUR|Low: €3,629 EUR|High: €7,952 EUR|Avg: €4,987 EUR|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10€3,629 EUR
Retailer 9€3,809 EUR
Retailer 7€4,032 EUR
Retailer 12€4,141 EUR
Retailer 2€4,333 EUR
Retailer 6€4,377 EUR
Retailer 8€4,674 EUR
Retailer 4€4,873 EUR
Retailer 5€5,119 EUR
Retailer 11€5,361 EUR
Retailer 3€7,679 EUR
MOH London€7,679 EUR

26 data points across 12 retailers

14 retailers€3,629 EUR to €7,679 EUR

A
Cheapest Retailer
-
€3,629 EUR
HK$31,800 HKD
A
Retailer 2
-
€3,809 EUR
$4,272 USD
View
A
Retailer 3
-
€4,032 EUR
$4,522 USD
View
Final sale: no returns
A
Retailer 4
-
€4,141 EUR
$4,644 USD
View
A
Retailer 5
-
€4,333 EUR
$4,860 USD
View
A
Retailer 6
-
€4,377 EUR
$4,910 USD
View
A
Retailer 7
-
€4,674 EUR
£4,127 GBP
View
A
Retailer 8
-
€4,873 EUR
SGD 7,386 SGD
View
A
Retailer 9
-
€4,977 EUR
A$8,588 AUD
View
A
Retailer 10
-
€5,119 EUR
£4,521 GBP
View
A
Retailer 11
-
€5,361 EUR
View
Retailer 12
-
€5,629 EUR
$6,314 USD
View
Price last confirmed 16 days ago
Retailer 13
-
€7,679 EUR
$8,612 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
16F4FA1BA · Nov 2
€7,679 EUR
£6,782 GBP
View
13 more retailers have this diamond
Prices start from €3,629 EURSave up to €4,050 EUR

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
1.51ct Round
€3,629 EUR