Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2527507448

Certificate GIA 2527507448

Diamond specifications and retailer prices

From €7,344 EUR
$8,205 USD
As of October 30, 2026
Save €6,130 EUR (45%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €13,474 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527507448. Listed at 27 retailers as of October 30, 2026, with prices from €7,344 to €13,474, a €6,130 spread on the same certified stone. NZ Jewellers lists it at €13,474. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2527507448
Dimensions7.28 × 7.33 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.28 mm7.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527507448
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €7,708 EUR|Low: €6,423 EUR|High: €12,778 EUR|Avg: €9,397 EUR|+20.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 1€7,708 EUR
Retailer 7€8,084 EUR
Retailer 4€8,781 EUR
Retailer 6€8,886 EUR
Retailer 8€8,893 EUR
Retailer 2€9,669 EUR
Retailer 5€11,877 EUR
Retailer 3€12,626 EUR

40 data points across 8 retailers

27 retailers€7,344 EUR to €13,474 EUR

A
Cheapest Retailer
-
€7,344 EUR
$8,205 USD
A
Retailer 2
-
€7,570 EUR
$8,457 USD
View
A
Retailer 3
-
€7,708 EUR
$8,611 USD
View
B+
Retailer 4
-
€7,804 EUR
$8,718 USD
View
B+
Retailer 5
-
€8,020 EUR
$8,960 USD
View
B+
Retailer 6
-
€8,084 EUR
$9,031 USD
View
Final sale: no returns
B+
Retailer 7
-
€8,084 EUR
$9,032 USD
View
B+
Retailer 8
-
€8,620 EUR
$9,630 USD
View
Retailer 9
-
€8,758 EUR
$9,785 USD
View
Price last confirmed 51 days ago
B+
Retailer 10
-
€8,758 EUR
$9,785 USD
View
B+
Retailer 11
-
€8,781 EUR
£7,725 GBP
View
Retailer 12
-
€8,886 EUR
A$15,274 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€8,893 EUR
$9,935 USD
View
Retailer 14
-
€8,947 EUR
$9,996 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
€8,992 EUR
$10,046 USD
View
B+
Retailer 16
-
€9,024 EUR
$10,082 USD
View
B+
Retailer 17
-
€9,363 EUR
$10,460 USD
View
B+
Retailer 18
-
€9,363 EUR
$10,460 USD
View
B+
Retailer 19
-
€9,669 EUR
View
B+
Retailer 20
-
€9,676 EUR
$10,810 USD
View
B+
Retailer 21
-
€9,820 EUR
$10,971 USD
View
Retailer 22
-
€10,106 EUR
$11,290 USD
View
Price last confirmed 55 days ago
B+
Retailer 23
-
€10,106 EUR
$11,290 USD
View
B
Retailer 24
-
€11,877 EUR
ZAR 214,361 ZAR
View
B
Retailer 25
-
€12,626 EUR
£11,107 GBP
View
Retailer 26
-
€13,474 EUR
$15,053 USD
View
Price last confirmed 51 days ago
Most Expensive
B
NZ Jewellers
37a199b9-87a9-47ef-83b8-89bff342d19c · Oct 30
€13,474 EUR
$15,053 USD
View
26 more retailers have this diamond
Prices start from €7,344 EURSave up to €6,130 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
€7,344 EUR