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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

VG • G/I1 • GIA 1428570967

Certificate GIA 1428570967

Diamond specifications and retailer prices

From $5,269 SGD
HK$32,200 HKD
As of November 1, 2026
Save $6,804 SGD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,073 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 very-good cut grade and certified by GIA 1428570967. Listed at 8 retailers as of October 30, 2026, with prices from $5,269 to $12,073, a $6,804 spread on the same certified stone. NZ Jewellers lists it at $12,073. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1428570967
Dimensions7.20 × 7.14 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
7.20 mm7.14 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1428570967
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

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: $12,073 SGD|Low: $5,220 SGD|High: $12,073 SGD|Avg: $7,673 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$5,269 SGD
Retailer 3$5,277 SGD
Retailer 5$7,219 SGD
Retailer 6$7,219 SGD
Retailer 8$7,219 SGD
Retailer 2$8,133 SGD
Retailer 7$8,329 SGD
NZ Jewellers$12,073 SGD

45 data points across 8 retailers

8 retailers$5,269 SGD to $12,073 SGD

B+
Cheapest Retailer
-
$5,269 SGD
HK$32,200 HKD
A
Retailer 2
-
$5,277 SGD
₹393,130 INR
View
B
Retailer 3
-
$7,219 SGD
$5,647 USD
View
B
Retailer 4
-
$7,219 SGD
$5,647 USD
View
B
Retailer 5
-
$7,219 SGD
$5,647 USD
View
B
Retailer 6
-
$8,133 SGD
€6,059 EUR
View
B
Retailer 7
-
$8,329 SGD
$6,515 USD
View
Most Expensive
C
NZ Jewellers
f8b5f58a-e5eb-4034-8318-e240aec378b4 · Oct 30
$12,073 SGD
$9,444 USD
View
7 more retailers have this diamond
Prices start from $5,269 SGDSave up to $6,804 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
$5,269 SGD