Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512377769

Certificate GIA 6512377769

Diamond specifications and retailer prices

From $4,160 USD
HK$32,500 HKD
As of October 31, 2026
Save $5,316 USD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,476 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512377769. Listed at 10 retailers as of October 30, 2026, with prices from $4,160 to $9,476, a $5,316 spread on the same certified stone. NZ Jewellers lists it at $9,476. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512377769
Dimensions7.30 × 7.25 × 4.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.30 mm7.25 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512377769
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: $9,476 USD|Low: $788 USD|High: $9,476 USD|Avg: $5,775 USD
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
November 1, 2026
Retailer 7$4,160 USD
Retailer 8$4,850 USD
Retailer 14$4,941 USD
Retailer 10$5,074 USD
Retailer 9$5,665 USD
Retailer 13$5,665 USD
Retailer 11$5,673 USD
Retailer 4$6,010 USD
Retailer 5$6,010 USD
Retailer 6$6,117 USD
Retailer 3$6,210 USD
Retailer 2$6,384 USD
Retailer 12$6,537 USD
NZ Jewellers$9,476 USD

24 data points across 14 retailers

10 retailers$4,160 USD to $9,476 USD

A
Cheapest Retailer
-
$4,160 USD
HK$32,500 HKD
Retailer 2
-
$4,850 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$4,941 USD
View
B+
Retailer 4
-
$5,074 USD
View
B
Retailer 5
-
$5,665 USD
View
B
Retailer 6
-
$5,665 USD
View
B
Retailer 7
-
$5,673 USD
View
B+
Retailer 8
-
$6,384 USD
€6,080 EUR
View
B
Retailer 9
-
$6,537 USD
View
Most Expensive
B
NZ Jewellers
ac7aa71d-1f65-4b99-a795-a1c712b0aa66 · Oct 30
$9,476 USD
View
9 more retailers have this diamond
Prices start from $4,160 USDSave up to $5,316 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
$4,160 USD