Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6562648114

Certificate GIA 6562648114

Diamond specifications and retailer prices

From $5,926 USD
HK$46,300 HKD
As of November 1, 2026
Save $7,568 USD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $13,494 USD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562648114. Listed at 23 retailers as of October 30, 2026, with prices from $5,926 to $13,494, a $7,568 spread on the same certified stone. NZ Jewellers lists it at $13,494. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562648114
Dimensions7.38 × 7.42 × 4.47 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.38 mm7.42 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562648114
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

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: $13,494 USD|Low: $5,837 USD|High: $13,658 USD|Avg: $8,457 USD|-1.2%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 1, 2026
Retailer 11$5,887 USD
Retailer 20$5,926 USD
Retailer 13$6,075 USD
Retailer 5$6,339 USD
Retailer 7$6,374 USD
Retailer 8$6,746 USD
Retailer 22$6,747 USD
Retailer 21$6,760 USD
Retailer 6$7,309 USD
Retailer 4$7,422 USD
Retailer 18$7,558 USD
Retailer 14$7,827 USD
Retailer 12$8,238 USD
Retailer 15$8,406 USD
Retailer 9$8,434 USD
Retailer 2$8,777 USD
Retailer 23$8,888 USD
Retailer 17$8,941 USD
Retailer 19$9,912 USD
Retailer 10$11,210 USD
Retailer 3$11,304 USD
Retailer 16$12,297 USD
NZ Jewellers$13,494 USD

17 data points across 23 retailers

23 retailers$5,926 USD to $13,494 USD

Retailer 1
-
$5,887 USD
₹560,621 INR
Price last confirmed 7 days ago
A
Retailer 2
-
$5,926 USD
HK$46,300 HKD
View
B+
Retailer 3
-
$6,075 USD
View
B+
Retailer 4
-
$6,339 USD
View
B+
Retailer 5
-
$6,374 USD
View
B+
Retailer 6
-
$6,746 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,747 USD
View
B+
Retailer 8
-
$6,760 USD
View
B+
Retailer 9
-
$7,309 USD
View
B+
Retailer 10
-
$7,422 USD
View
B+
Retailer 11
-
$7,558 USD
£5,951 GBP
View
Retailer 12
-
$7,827 USD
A$12,042 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$7,999 USD
View
B+
Retailer 14
-
$8,238 USD
View
Retailer 15
-
$8,406 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$8,434 USD
View
B
Retailer 17
-
$8,777 USD
€8,359 EUR
View
B
Retailer 18
-
$8,941 USD
£7,040 GBP
View
B
Retailer 19
-
$9,912 USD
ZAR 160,122 ZAR
View
B
Retailer 20
-
$11,210 USD
A$17,247 AUD
View
B
Retailer 21
-
$11,304 USD
£8,901 GBP
View
B
Retailer 22
-
$12,297 USD
View
Most Expensive
B
NZ Jewellers
24298d9f-e214-473b-ac18-a54be360c38f · Oct 30
$13,494 USD
View
22 more retailers have this diamond
Prices start from $5,926 USDSave up to $7,568 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
$5,926 USD