Round|Natural|GIA

1.51ct D IF Round Natural Diamond

VG • D/IF • GIA 1126188694

Certificate GIA 1126188694

Diamond specifications and retailer prices

From $25,567 USD
As of November 2, 2026
Save $13,528 USD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $39,095 USD at Diamond Quarter · As of November 3, 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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by GIA 1126188694. Listed at 11 retailers as of November 2, 2026, with prices from $25,567 to $39,095, a $13,528 spread on the same certified stone. Diamond Quarter lists it at $39,095. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1126188694
Dimensions7.43 × 7.40 × 4.49 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.43 mm7.40 mm1.51 ctD / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1126188694
Side View
Table 57.0%Crown 31.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 60.7%

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: Nov 2
Current: $29,155 USD|Low: $25,116 USD|High: $35,045 USD|Avg: $29,411 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 4$25,567 USD
Retailer 2$26,126 USD
Retailer 1$29,155 USD
Retailer 5$30,024 USD
Retailer 6$30,285 USD
Retailer 3$34,889 USD

39 data points across 6 retailers

11 retailers$25,567 USD to $39,095 USD

B+
Cheapest Retailer
-
$25,567 USD
B+
Retailer 2
-
$26,126 USD
View
B
Retailer 3
-
$27,681 USD
View
B
Retailer 4
-
$28,250 USD
View
B+
Retailer 5
-
$29,155 USD
View
B+
Retailer 6
-
$30,024 USD
View
B+
Retailer 7
-
$30,285 USD
View
B
Retailer 8
-
$30,834 USD
View
B
Retailer 9
-
$34,889 USD
View
B
Retailer 10
-
$35,032 USD
View
Most Expensive
B
Diamond Quarter
1.51IFD11942552N · Nov 3
$39,095 USD
£30,784 GBP
View
10 more retailers have this diamond
Prices start from $25,567 USDSave up to $13,528 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
$25,567 USD