Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2547810615

Certificate GIA 2547810615

Diamond specifications and retailer prices

From $5,606 USD
As of October 27, 2026
Save $1,684 USD (23%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,213 USD at NZ Jewellers · As of September 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547810615. Listed at 16 retailers as of October 27, 2026, with a 30% 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547810615
Dimensions7.35 × 7.31 × 4.56 mm
L/W Ratio1.01
Top View
7.35 mm7.31 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547810615
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

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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 27
Current: $7,290 USD|Low: $4,858 USD|High: $10,000 USD|Avg: $6,541 USD|+4.3%
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
October 26, 2026
Retailer 3$4,966 USD
Retailer 6$5,296 USD
Retailer 15$5,312 USD
Retailer 14$5,606 USD
Retailer 2$6,074 USD
Retailer 4$6,074 USD
Retailer 12$6,418 USD
Retailer 11$6,899 USD
Retailer 10$6,961 USD
Retailer 8$7,050 USD
Retailer 9$7,050 USD
Retailer 1$7,290 USD
Retailer 7$7,391 USD
Retailer 5$7,676 USD
Retailer 13$9,983 USD

32 data points across 15 retailers

16 retailers$5,606 USD to $7,290 USD

Retailer 1
-
$4,966 USD
HK$38,800 HKD
Price last confirmed 15 days ago
Retailer 2
-
$5,296 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$5,312 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$5,606 USD
View
Final sale: no returns
Retailer 5
-
$6,074 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$6,074 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$6,074 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$6,418 USD
£5,054 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
$6,961 USD
£5,481 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
$7,008 USD
View
Price last confirmed 21 days ago
A
Retailer 11
-
$7,050 USD
View
A
Retailer 12
-
$7,050 USD
View
A
Retailer 13
-
$7,290 USD
View
Retailer 14
-
$7,391 USD
View
Price last confirmed 15 days ago
Retailer 15
-
$9,983 USD
£7,861 GBP
View
Price last confirmed 15 days ago
Most Expensive
NZ Jewellers
1040cb27-646a-4e7c-9f92-db162f9074d1 · Sep 26
$11,213 USD
View
Price last confirmed 33 days ago
15 more retailers have this diamond
Prices start from $5,606 USDSave up to $1,684 USD

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
$5,606 USD