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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 2111372272

Certificate GIA 2111372272

Diamond specifications and retailer prices

From $17,566 NZD
$9,900 USD
As of October 25, 2026
Save $16,969 NZD (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $34,535 NZD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2111372272. Listed at 20 retailers as of October 25, 2026, with prices from $17,566 to $34,535, a $16,969 spread on the same certified stone. Diamond Quarter lists it at $34,535. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2111372272
Dimensions7.45 × 7.42 × 4.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.45 mm7.42 mm1.51 ctD / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2111372272
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $21,252 NZD|Low: $17,566 NZD|High: $32,993 NZD|Avg: $23,862 NZD|-0.3%
Retailer 1
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
October 31, 2026
Retailer 9$17,566 NZD
Retailer 12$18,938 NZD
Retailer 10$19,796 NZD
Retailer 14$19,796 NZD
Retailer 1$21,252 NZD
Retailer 4$21,446 NZD
Retailer 11$21,774 NZD
Retailer 13$22,894 NZD
Retailer 7$23,873 NZD
Retailer 2$24,744 NZD
Retailer 5$26,038 NZD
Retailer 6$28,219 NZD
Retailer 8$31,081 NZD
Retailer 3$32,993 NZD

41 data points across 14 retailers

20 retailers$17,566 NZD to $34,535 NZD

B+
Cheapest Retailer
-
$17,566 NZD
$9,900 USD
B
Retailer 2
-
$18,043 NZD
$10,169 USD
View
B
Retailer 3
-
$18,366 NZD
$10,351 USD
View
B
Retailer 4
-
$18,938 NZD
CA$14,825 CAD
View
B
Retailer 5
-
$19,796 NZD
$11,157 USD
View
Final sale: no returns
B
Retailer 6
-
$19,796 NZD
$11,157 USD
View
Retailer 7
-
$20,142 NZD
$11,352 USD
View
Price last confirmed 13 days ago
B
Retailer 8
-
$21,252 NZD
£9,431 GBP
View
B
Retailer 9
-
$21,446 NZD
$12,087 USD
View
B
Retailer 10
-
$21,774 NZD
$12,272 USD
View
B
Retailer 11
-
$22,894 NZD
$12,903 USD
View
B
Retailer 12
-
$23,066 NZD
$13,000 USD
View
B
Retailer 13
-
$23,066 NZD
$13,000 USD
View
B
Retailer 14
-
$23,829 NZD
$13,430 USD
View
B
Retailer 15
-
$23,873 NZD
€12,814 EUR
View
B
Retailer 16
-
$24,744 NZD
$13,946 USD
View
Retailer 17
-
$26,038 NZD
$14,675 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$31,081 NZD
£13,793 GBP
View
B
Retailer 19
-
$32,993 NZD
$18,595 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D21726670N · Oct 31
$34,535 NZD
£15,326 GBP
View
19 more retailers have this diamond
Prices start from $17,566 NZDSave up to $16,969 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.

B+
1.51ct Round
$17,566 NZD