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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6521025685

Certificate GIA 6521025685

Diamond specifications and retailer prices

From €5,097 EUR
$5,694 USD
As of October 31, 2026
Save €6,360 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,456 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 6521025685. Listed at 18 retailers as of October 30, 2026, with prices from €5,097 to €11,456, a €6,360 spread on the same certified stone. NZ Jewellers lists it at €11,456. 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

1.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521025685
Dimensions7.31 × 7.27 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.31 mm7.27 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521025685
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 31
Current: €6,414 EUR|Low: €4,968 EUR|High: €9,660 EUR|Avg: €6,517 EUR|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7€5,097 EUR
Retailer 5€5,178 EUR
Retailer 6€5,727 EUR
Retailer 4€5,728 EUR
Retailer 1€6,414 EUR
Retailer 2€7,048 EUR
Retailer 3€9,545 EUR

40 data points across 7 retailers

18 retailers€5,097 EUR to €11,456 EUR

A
Cheapest Retailer
-
€5,097 EUR
$5,694 USD
A
Retailer 2
-
€5,170 EUR
$5,776 USD
View
A
Retailer 3
-
€5,178 EUR
$5,785 USD
View
A
Retailer 4
-
€5,412 EUR
$6,046 USD
View
B+
Retailer 5
-
€5,727 EUR
$6,398 USD
View
Final sale: no returns
A
Retailer 6
-
€5,728 EUR
$6,399 USD
View
B+
Retailer 7
-
€6,102 EUR
$6,817 USD
View
B+
Retailer 8
-
€6,206 EUR
$6,933 USD
View
B+
Retailer 9
-
€6,301 EUR
$7,039 USD
View
B+
Retailer 10
-
€6,414 EUR
£5,642 GBP
View
B+
Retailer 11
-
€6,776 EUR
$7,570 USD
View
B+
Retailer 12
-
€6,776 EUR
$7,570 USD
View
B+
Retailer 13
-
€7,000 EUR
$7,820 USD
View
B+
Retailer 14
-
€7,048 EUR
View
B+
Retailer 15
-
€7,160 EUR
$7,999 USD
View
Retailer 16
-
€7,547 EUR
$8,432 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
€9,545 EUR
£8,397 GBP
View
Most Expensive
B
NZ Jewellers
57a3d89b-bc2c-4776-b3ea-1270dab81dc9 · Oct 30
€11,456 EUR
$12,799 USD
View
17 more retailers have this diamond
Prices start from €5,097 EURSave up to €6,360 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
1.50ct Round
€5,097 EUR