Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513772206

Certificate GIA 7513772206

Diamond specifications and retailer prices

From $4,749 USD
HK$37,100 HKD
As of October 30, 2026
Save $5,109 USD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,636 USD at NZ Jewellers · As of September 28, 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 7513772206. Listed at 19 retailers as of October 29, 2026, with a 108% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513772206
Dimensions7.32 × 7.27 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.32 mm7.27 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7513772206
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: $7,273 USD|Low: $4,749 USD|High: $10,224 USD|Avg: $6,612 USD|-2.5%
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
October 30, 2026
Retailer 13$4,749 USD
Retailer 11$5,363 USD
Retailer 5$5,637 USD
Retailer 10$5,793 USD
Retailer 7$5,805 USD
Retailer 4$5,930 USD
Retailer 12$5,980 USD
Retailer 14$6,012 USD
Retailer 9$6,143 USD
Retailer 8$6,341 USD
Retailer 6$6,823 USD
Retailer 1$7,273 USD
Retailer 3$8,349 USD
Retailer 2$9,858 USD

31 data points across 14 retailers

19 retailers$4,749 USD to $9,858 USD

A
Cheapest Retailer
-
$4,749 USD
HK$37,100 HKD
A
Retailer 2
-
$5,363 USD
₹510,787 INR
View
Retailer 3
-
$5,637 USD
SGD 7,618 SGD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$5,793 USD
A$8,913 AUD
View
A
Retailer 5
-
$5,805 USD
View
A
Retailer 6
-
$5,930 USD
View
A
Retailer 7
-
$5,980 USD
View
A
Retailer 8
-
$6,012 USD
SGD 8,124 SGD
View
A
Retailer 9
-
$6,143 USD
View
Final sale: no returns
A
Retailer 10
-
$6,341 USD
£4,993 GBP
View
Retailer 11
-
$6,422 USD
View
Price last confirmed 23 days ago
Retailer 12
-
$6,823 USD
A$10,496 AUD
View
Price last confirmed 26 days ago
Retailer 13
-
$6,957 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$7,064 USD
View
Price last confirmed 31 days ago
A
Retailer 15
-
$7,273 USD
€6,927 EUR
View
Retailer 16
-
$8,027 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$8,349 USD
ZAR 134,885 ZAR
View
B+
Retailer 18
-
$9,858 USD
£7,762 GBP
View
Most Expensive
NZ Jewellers
6df0276c-c38a-45f7-9185-b9ea45a5031b · Sep 28
$11,636 USD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from $4,749 USDSave up to $5,109 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
$4,749 USD