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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512377769

Certificate GIA 6512377769

Diamond specifications and retailer prices

From $5,318 SGD
HK$32,500 HKD
As of November 1, 2026
Save $6,796 SGD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,114 SGD 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 $5,318 to $12,114, a $6,796 spread on the same certified stone. NZ Jewellers lists it at $12,114. 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
Colour
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: Nov 1
Current: $12,114 SGD|Low: $1,008 SGD|High: $12,114 SGD|Avg: $7,383 SGD
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$5,318 SGD
Retailer 8$6,200 SGD
Retailer 14$6,317 SGD
Retailer 10$6,487 SGD
Retailer 9$7,242 SGD
Retailer 13$7,242 SGD
Retailer 11$7,253 SGD
Retailer 4$7,683 SGD
Retailer 5$7,683 SGD
Retailer 6$7,820 SGD
Retailer 3$7,939 SGD
Retailer 2$8,161 SGD
Retailer 12$8,357 SGD
NZ Jewellers$12,114 SGD

24 data points across 14 retailers

10 retailers$5,318 SGD to $12,114 SGD

A
Cheapest Retailer
-
$5,318 SGD
HK$32,500 HKD
B+
Retailer 2
-
$6,200 SGD
$4,850 USD
View
B+
Retailer 3
-
$6,317 SGD
$4,941 USD
View
B+
Retailer 4
-
$6,487 SGD
$5,074 USD
View
B
Retailer 5
-
$7,242 SGD
$5,665 USD
View
B
Retailer 6
-
$7,242 SGD
$5,665 USD
View
B
Retailer 7
-
$7,253 SGD
$5,673 USD
View
B+
Retailer 8
-
$8,161 SGD
€6,080 EUR
View
B
Retailer 9
-
$8,357 SGD
$6,537 USD
View
Most Expensive
B
NZ Jewellers
ac7aa71d-1f65-4b99-a795-a1c712b0aa66 · Oct 30
$12,114 SGD
$9,476 USD
View
9 more retailers have this diamond
Prices start from $5,318 SGDSave up to $6,796 SGD

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
$5,318 SGD