Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6552995075

Certificate GIA 6552995075

Diamond specifications and retailer prices

From €4,766 EUR
HK$41,600 HKD
As of November 1, 2026
Save €4,620 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €10,481 EUR at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552995075. Listed at 15 retailers as of November 1, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552995075
Dimensions7.25 × 7.29 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.25 mm7.29 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552995075
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: €5,918 EUR|Low: €4,543 EUR|High: €9,386 EUR|Avg: €6,103 EUR|-1.8%
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
November 2, 2026
Retailer 2€4,766 EUR
Retailer 6€4,824 EUR
Retailer 16€5,034 EUR
Retailer 15€5,044 EUR
Retailer 8€5,308 EUR
Retailer 14€5,328 EUR
Retailer 7€5,784 EUR
Retailer 1€5,918 EUR
Retailer 10€6,069 EUR
Retailer 3€6,418 EUR
Retailer 4€6,516 EUR
Retailer 11€6,554 EUR
Retailer 9€6,633 EUR
Retailer 12€7,294 EUR
Retailer 5€7,344 EUR
Retailer 13€9,386 EUR

25 data points across 16 retailers

15 retailers€4,766 EUR to €9,386 EUR

A
Cheapest Retailer
-
€4,766 EUR
HK$41,600 HKD
A
Retailer 2
-
€5,034 EUR
$5,624 USD
View
A
Retailer 3
-
€5,044 EUR
$5,635 USD
View
A
Retailer 4
-
€5,328 EUR
$5,952 USD
View
Final sale: no returns
A
Retailer 5
-
€5,918 EUR
£5,206 GBP
View
A
Retailer 6
-
€6,069 EUR
£5,339 GBP
View
Retailer 7
-
€6,267 EUR
$7,001 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
€6,418 EUR
$7,170 USD
View
B+
Retailer 9
-
€6,516 EUR
$7,280 USD
View
B+
Retailer 10
-
€6,554 EUR
View
B+
Retailer 11
-
€6,633 EUR
$7,410 USD
View
Retailer 12
-
€7,231 EUR
$8,078 USD
View
Price last confirmed 35 days ago
B+
Retailer 13
-
€7,294 EUR
$8,149 USD
View
B
Retailer 14
-
€9,386 EUR
£8,257 GBP
View
Most Expensive
NZ Jewellers
7636fe49-2ea9-4b23-907b-2cc38d964eac · Sep 27
€10,481 EUR
$11,709 USD
View
Price last confirmed 36 days ago
14 more retailers have this diamond
Prices start from €4,766 EURSave up to €4,620 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
€4,766 EUR