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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245021465

Certificate GIA 2245021465

Diamond specifications and retailer prices

From €5,957 EUR
HK$52,200 HKD
As of November 1, 2026
Save €5,218 EUR (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €11,175 EUR at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245021465. Listed at 19 retailers as of November 1, 2026, with prices from €5,957 to €11,175, a €5,218 spread on the same certified stone. MOH London lists it at €11,175. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021465
Dimensions7.30 × 7.33 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.30 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021465
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: €11,175 EUR|Low: €5,957 EUR|High: €11,630 EUR|Avg: €7,869 EUR|-2.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 4€5,957 EUR
Retailer 14€5,987 EUR
Retailer 3€6,071 EUR
Retailer 15€6,158 EUR
Retailer 17€6,252 EUR
Retailer 2€6,632 EUR
Retailer 18€6,652 EUR
Retailer 5€6,679 EUR
Retailer 12€7,364 EUR
Retailer 6€7,496 EUR
Retailer 10€7,688 EUR
Retailer 7€7,980 EUR
Retailer 8€8,006 EUR
Retailer 11€8,247 EUR
Retailer 13€8,283 EUR
Retailer 9€8,404 EUR
Retailer 16€9,851 EUR
MOH London€11,175 EUR

29 data points across 18 retailers

19 retailers€5,957 EUR to €11,175 EUR

A
Cheapest Retailer
-
€5,957 EUR
HK$52,200 HKD
A
Retailer 2
-
€5,987 EUR
$6,715 USD
View
A
Retailer 3
-
€6,071 EUR
$6,809 USD
View
A
Retailer 4
-
€6,158 EUR
$6,907 USD
View
A
Retailer 5
-
€6,252 EUR
A$10,789 AUD
View
B+
Retailer 6
-
€6,632 EUR
CA$10,331 CAD
View
B+
Retailer 7
-
€6,652 EUR
$7,461 USD
View
Final sale: no returns
B+
Retailer 8
-
€6,679 EUR
$7,491 USD
View
B+
Retailer 9
-
€7,364 EUR
£6,504 GBP
View
B+
Retailer 10
-
€7,496 EUR
$8,408 USD
View
Retailer 11
-
€7,688 EUR
A$13,266 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€7,980 EUR
$8,950 USD
View
B+
Retailer 13
-
€8,006 EUR
$8,980 USD
View
B+
Retailer 14
-
€8,247 EUR
$9,250 USD
View
B+
Retailer 15
-
€8,283 EUR
View
B+
Retailer 16
-
€8,404 EUR
$9,426 USD
View
Retailer 17
-
€8,984 EUR
$10,077 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
€9,851 EUR
ZAR 178,494 ZAR
View
Most Expensive
B
MOH London
C7551D8A6 · Nov 1
€11,175 EUR
£9,869 GBP
View
18 more retailers have this diamond
Prices start from €5,957 EURSave up to €5,218 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
€5,957 EUR