Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6511277799

Certificate GIA 6511277799

Diamond specifications and retailer prices

From $2,330 USD
HK$18,200 HKD
As of October 31, 2026
Save $3,108 USD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,438 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 6511277799. Listed at 10 retailers as of October 30, 2026, with prices from $2,330 to $5,438, a $3,108 spread on the same certified stone. NZ Jewellers lists it at $5,438. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6511277799
Dimensions7.29 × 7.34 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.29 mm7.34 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6511277799
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

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: $5,438 USD|Low: $2,304 USD|High: $5,438 USD|Avg: $3,032 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$2,330 USD
Retailer 2$2,379 USD
Retailer 9$2,516 USD
Retailer 7$2,795 USD
Retailer 5$3,121 USD
Retailer 6$3,121 USD
Retailer 10$3,241 USD
Retailer 4$3,446 USD
Retailer 8$3,601 USD
NZ Jewellers$5,438 USD

44 data points across 10 retailers

10 retailers$2,330 USD to $5,438 USD

A
Cheapest Retailer
-
$2,330 USD
HK$18,200 HKD
A
Retailer 2
-
$2,379 USD
₹226,532 INR
View
A
Retailer 3
-
$2,516 USD
₹239,628 INR
View
A
Retailer 4
-
$2,795 USD
View
A
Retailer 5
-
$3,121 USD
View
A
Retailer 6
-
$3,121 USD
View
A
Retailer 7
-
$3,241 USD
View
A
Retailer 8
-
$3,446 USD
€3,282 EUR
View
B+
Retailer 9
-
$3,601 USD
View
Most Expensive
B
NZ Jewellers
02f0307d-fd2c-4165-be13-ec2a88a0339b · Oct 30
$5,438 USD
View
9 more retailers have this diamond
Prices start from $2,330 USDSave up to $3,108 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
1.50ct Round
$2,330 USD