Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566054835

Certificate GIA 2566054835

Diamond specifications and retailer prices

From $7,667 NZD
HK$33,700 HKD
As of November 1, 2026
Save $9,111 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,778 NZD at NZ Jewellers · As of October 27, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566054835. Listed at 14 retailers as of October 27, 2026, with prices from $7,667 to $16,778, a $9,111 spread on the same certified stone. NZ Jewellers lists it at $16,778. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566054835
Dimensions7.10 × 7.19 × 4.60 mm
L/W Ratio1.01
Top View
7.10 mm7.19 mm1.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566054835
Side View
Table 58.0%Crown 38°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.4%

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: $16,778 NZD|Low: $7,598 NZD|High: $16,963 NZD|Avg: $11,184 NZD|-1.1%
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
November 2, 2026
Retailer 9$7,667 NZD
Retailer 2$7,830 NZD
Retailer 4$8,748 NZD
Retailer 6$9,723 NZD
Retailer 5$9,871 NZD
Retailer 3$10,031 NZD
Retailer 10$10,031 NZD
Retailer 13$10,306 NZD
Retailer 7$11,301 NZD
Retailer 12$11,574 NZD
Retailer 11$14,976 NZD
Retailer 8$15,976 NZD
NZ Jewellers$16,778 NZD

34 data points across 13 retailers

14 retailers$7,667 NZD to $16,778 NZD

A
Cheapest Retailer
-
$7,667 NZD
HK$33,700 HKD
A
Retailer 2
-
$7,830 NZD
₹419,594 INR
View
A
Retailer 3
-
$8,748 NZD
$4,922 USD
View
A
Retailer 4
-
$9,723 NZD
£4,307 GBP
View
Retailer 5
-
$9,871 NZD
SGD 7,505 SGD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$10,031 NZD
$5,644 USD
View
A
Retailer 7
-
$10,031 NZD
$5,644 USD
View
Retailer 8
-
$10,143 NZD
$5,707 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$10,306 NZD
$5,799 USD
View
B+
Retailer 10
-
$11,301 NZD
€6,056 EUR
View
B+
Retailer 11
-
$11,574 NZD
$6,512 USD
View
B
Retailer 12
-
$14,976 NZD
$8,426 USD
View
B
Retailer 13
-
$15,976 NZD
£7,078 GBP
View
Most Expensive
B
NZ Jewellers
78394b5f-aa35-4bb9-8ee6-fc903bd4e44c · Oct 27
$16,778 NZD
$9,440 USD
View
13 more retailers have this diamond
Prices start from $7,667 NZDSave up to $9,111 NZD

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
$7,667 NZD