Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 2111372272

Certificate GIA 2111372272

Diamond specifications and retailer prices

From $9,900 USD
As of October 25, 2026
Save $9,564 USD (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,464 USD at Diamond Quarter · As of October 28, 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 $9,900 to $19,464, a $9,564 spread on the same certified stone. Diamond Quarter lists it at $19,464. 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
Color
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: $11,941 USD|Low: $9,900 USD|High: $17,634 USD|Avg: $13,117 USD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$9,900 USD
Retailer 7$10,674 USD
Retailer 6$11,157 USD
Retailer 1$11,941 USD
Retailer 9$12,087 USD
Retailer 8$12,903 USD
Retailer 4$13,434 USD
Retailer 10$14,675 USD
Retailer 2$15,905 USD
Retailer 3$17,517 USD

40 data points across 10 retailers

20 retailers$9,900 USD to $19,464 USD

B+
Cheapest Retailer
-
$9,900 USD
B
Retailer 2
-
$10,169 USD
View
B
Retailer 3
-
$10,351 USD
View
B
Retailer 4
-
$10,674 USD
CA$14,825 CAD
View
B
Retailer 5
-
$11,157 USD
View
Final sale: no returns
B
Retailer 6
-
$11,157 USD
View
B
Retailer 7
-
$11,352 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
$11,941 USD
£9,402 GBP
View
B
Retailer 9
-
$12,087 USD
View
B
Retailer 10
-
$12,272 USD
View
B
Retailer 11
-
$12,903 USD
View
B
Retailer 12
-
$13,000 USD
View
B
Retailer 13
-
$13,000 USD
View
B
Retailer 14
-
$13,430 USD
View
B
Retailer 15
-
$13,434 USD
€12,794 EUR
View
B
Retailer 16
-
$13,946 USD
View
B
Retailer 17
-
$14,675 USD
View
B
Retailer 18
-
$17,517 USD
£13,793 GBP
View
B
Retailer 19
-
$18,595 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D21726670N · Oct 28
$19,464 USD
£15,326 GBP
View
19 more retailers have this diamond
Prices start from $9,900 USDSave up to $9,564 USD

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
$9,900 USD