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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 $14,094 AUD
$9,900 USD
As of October 25, 2026
Save $13,615 AUD (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $27,709 AUD 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 $14,094 to $27,709, a $13,615 spread on the same certified stone. Diamond Quarter lists it at $27,709. 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: $17,052 AUD|Low: $14,094 AUD|High: $26,472 AUD|Avg: $19,145 AUD|-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$14,094 AUD
Retailer 12$15,195 AUD
Retailer 10$15,883 AUD
Retailer 14$15,883 AUD
Retailer 1$17,052 AUD
Retailer 4$17,207 AUD
Retailer 11$17,470 AUD
Retailer 13$18,369 AUD
Retailer 7$19,154 AUD
Retailer 2$19,854 AUD
Retailer 5$20,891 AUD
Retailer 6$22,642 AUD
Retailer 8$24,937 AUD
Retailer 3$26,472 AUD

41 data points across 14 retailers

20 retailers$14,094 AUD to $27,709 AUD

B+
Cheapest Retailer
-
$14,094 AUD
$9,900 USD
B
Retailer 2
-
$14,477 AUD
$10,169 USD
View
B
Retailer 3
-
$14,736 AUD
$10,351 USD
View
B
Retailer 4
-
$15,195 AUD
CA$14,825 CAD
View
B
Retailer 5
-
$15,883 AUD
$11,157 USD
View
Final sale: no returns
B
Retailer 6
-
$15,883 AUD
$11,157 USD
View
Retailer 7
-
$16,161 AUD
$11,352 USD
View
Price last confirmed 13 days ago
B
Retailer 8
-
$17,052 AUD
£9,431 GBP
View
B
Retailer 9
-
$17,207 AUD
$12,087 USD
View
B
Retailer 10
-
$17,470 AUD
$12,272 USD
View
B
Retailer 11
-
$18,369 AUD
$12,903 USD
View
B
Retailer 12
-
$18,507 AUD
$13,000 USD
View
B
Retailer 13
-
$18,507 AUD
$13,000 USD
View
B
Retailer 14
-
$19,119 AUD
$13,430 USD
View
B
Retailer 15
-
$19,154 AUD
€12,814 EUR
View
B
Retailer 16
-
$19,854 AUD
$13,946 USD
View
Retailer 17
-
$20,891 AUD
$14,675 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$24,937 AUD
£13,793 GBP
View
B
Retailer 19
-
$26,472 AUD
$18,595 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D21726670N · Oct 31
$27,709 AUD
£15,326 GBP
View
19 more retailers have this diamond
Prices start from $14,094 AUDSave up to $13,615 AUD

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
$14,094 AUD