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Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6551703440

Certificate GIA 6551703440

Diamond specifications and retailer prices

From $7,381 NZD
HK$32,500 HKD
As of November 1, 2026
Save $8,863 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,244 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6551703440. Listed at 11 retailers as of October 26, 2026, with prices from $7,381 to $16,244, a $8,863 spread on the same certified stone. Wholesale Diamonds Direct lists it at $16,244. 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
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551703440
Dimensions7.07 × 7.16 × 4.63 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Knot, Needle, Indented Natural
Top View
7.07 mm7.16 mm1.51 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551703440
Side View
Table 57.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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: Nov 1
Current: $7,521 NZD|Low: $7,313 NZD|High: $18,045 NZD|Avg: $11,238 NZD|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$7,381 NZD
Retailer 1$7,521 NZD
Retailer 5$8,309 NZD
Retailer 3$8,683 NZD
Retailer 4$9,526 NZD
Retailer 2$10,733 NZD
Retailer 9$10,790 NZD
Retailer 7$10,992 NZD
Retailer 8$15,931 NZD

45 data points across 9 retailers

11 retailers$7,381 NZD to $16,244 NZD

A
Cheapest Retailer
-
$7,381 NZD
HK$32,500 HKD
A
Retailer 2
-
$7,521 NZD
₹403,681 INR
View
B+
Retailer 3
-
$8,309 NZD
$4,683 USD
View
A
Retailer 4
-
$8,683 NZD
$4,894 USD
View
B+
Retailer 5
-
$9,526 NZD
$5,369 USD
View
B+
Retailer 6
-
$10,733 NZD
€5,761 EUR
View
B+
Retailer 7
-
$10,790 NZD
$6,081 USD
View
B+
Retailer 8
-
$10,790 NZD
$6,081 USD
View
B+
Retailer 9
-
$10,992 NZD
$6,195 USD
View
B
Retailer 10
-
$15,931 NZD
$8,979 USD
View
Most Expensive
B
Wholesale Diamonds Direct
257502714 · Oct 26
$16,244 NZD
$9,155 USD
View
10 more retailers have this diamond
Prices start from $7,381 NZDSave up to $8,863 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
$7,381 NZD