Round|Natural|GIA

4.20ct G VS2 Round Natural Diamond

VG • G/VS2 • GIA 16427555

Certificate GIA 16427555

Diamond specifications and retailer prices

From $123,418 USD
As of October 29, 2026
Save $61,695 USD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $185,113 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 4.2ct natural round diamond

This 4.2ct natural round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 16427555. Listed at 9 retailers as of October 29, 2026, with prices from $123,418 to $185,113, a $61,695 spread on the same certified stone. Diamond Quarter lists it at $185,113. 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

4.20
Carat
G
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 16427555
Dimensions10.55 × 10.40 × 6.22 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Top View
10.55 mm10.40 mm4.20 ctG / VS2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 16427555
Side View
Table 59.0%Crown 35.5°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.8%

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 29
Current: $129,510 USD|Low: $119,799 USD|High: $148,160 USD|Avg: $132,936 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 3$123,418 USD
Retailer 4$124,690 USD
Retailer 5$126,646 USD
Retailer 2$129,383 USD
Retailer 1$129,510 USD
Retailer 6$143,380 USD
Retailer 7$143,380 USD
Retailer 8$148,160 USD

4 data points across 8 retailers

9 retailers$123,418 USD to $185,113 USD

B
Cheapest Retailer
-
$123,418 USD
B
Retailer 2
-
$124,690 USD
View
B+
Retailer 3
-
$126,646 USD
View
B+
Retailer 4
-
$129,383 USD
View
Final sale: no returns
B+
Retailer 5
-
$129,510 USD
View
B
Retailer 6
-
$143,380 USD
View
B
Retailer 7
-
$143,380 USD
View
B
Retailer 8
-
$148,160 USD
View
Most Expensive
B
Diamond Quarter
4.2VS2G1655B79EN · Oct 29
$185,113 USD
£145,759 GBP
View
8 more retailers have this diamond
Prices start from $123,418 USDSave up to $61,695 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+
4.20ct Round
$123,418 USD