Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1568204178

Certificate GIA 1568204178

Diamond specifications and retailer prices

From $5,597 USD
SGD 7,563 SGD
As of October 30, 2026
Save $4,050 USD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,350 USD at Wholesale Diamonds Direct · As of October 23, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1568204178. Listed at 10 retailers as of October 30, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1568204178
Dimensions7.29 × 4.54 × 4.54 mm
L/W Ratio1.61
Culet sizeNone
Top View
7.29 mm4.54 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568204178
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 30
Current: $7,935 USD|Low: $5,597 USD|High: $10,758 USD|Avg: $7,305 USD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 31, 2026
Retailer 5$5,597 USD
Retailer 7$5,660 USD
Retailer 8$5,828 USD
Retailer 6$6,059 USD
Retailer 4$6,343 USD
Retailer 9$7,050 USD
Retailer 3$7,160 USD
Retailer 1$7,935 USD
Retailer 2$8,161 USD
Retailer 10$9,647 USD
Wholesale Diamonds Direct$10,350 USD

29 data points across 11 retailers

10 retailers$5,597 USD to $9,647 USD

A
Cheapest Retailer
-
$5,597 USD
SGD 7,563 SGD
A
Retailer 2
-
$5,660 USD
View
Retailer 3
-
$5,828 USD
SGD 7,875 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$6,059 USD
View
A
Retailer 5
-
$6,343 USD
£4,994 GBP
View
A
Retailer 6
-
$7,050 USD
View
A
Retailer 7
-
$7,160 USD
€6,819 EUR
View
B+
Retailer 8
-
$7,935 USD
View
B
Retailer 9
-
$9,647 USD
View
Most Expensive
Wholesale Diamonds Direct
592943226 · Oct 23
$10,350 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $5,597 USDSave up to $4,050 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.

A
1.51ct Round
$5,597 USD