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Round|Natural|GIA

1.80ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6451192145

Certificate GIA 6451192145

Diamond specifications and retailer prices

From $14,535 USD
Save $11,480 USD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $26,015 USD at MOH London
View at MOH London

About this 1.8ct natural round diamond

This 1.8ct 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 6451192145. Listed at 16 retailers, with prices from $14,535 to $26,015 at MOH London, a $11,480 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6451192145
Dimensions7.83 × 7.79 × 4.81 mm
L/W Ratio1.01
Top View
7.83 mm7.79 mm1.80 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451192145
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 27
Current: $26,015 USD|Low: $14,535 USD|High: $26,015 USD|Avg: $17,891 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 1, 2026
Retailer 6$14,535 USD
Retailer 7$15,087 USD
Retailer 8$16,115 USD
Retailer 2$17,361 USD
Retailer 5$17,427 USD
Retailer 4$18,853 USD
Retailer 3$23,731 USD
MOH London$26,015 USD

38 data points across 8 retailers

16 retailers$14,535 USD to $26,015 USD

B
Cheapest Retailer
-
$14,535 USD
B
Retailer 2
-
$15,070 USD
View
B
Retailer 3
-
$15,087 USD
View
B
Retailer 4
-
$15,130 USD
View
B
Retailer 5
-
$15,431 USD
CA$21,433 CAD
View
B
Retailer 6
-
$16,115 USD
View
B
Retailer 7
-
$17,361 USD
A$26,710 AUD
View
B
Retailer 8
-
$17,466 USD
£13,753 GBP
View
B
Retailer 9
-
$18,370 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$18,370 USD
View
B
Retailer 11
-
$18,853 USD
€17,955 EUR
View
B
Retailer 12
-
$18,980 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$19,137 USD
View
B
Retailer 14
-
$19,215 USD
View
B
Retailer 15
-
$23,731 USD
ZAR 383,375 ZAR
View
Most Expensive
B
MOH London
F05F1AAD4 · Oct 1
$26,015 USD
£20,484 GBP
View
15 more retailers have this diamond
Prices start from $14,535 USDSave up to $11,480 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.

B
1.80ct Round
$14,535 USD