CaratHunter
Plans
Round|Natural|GIA

1.80ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6451335316

Certificate GIA 6451335316

Diamond specifications and retailer prices

From $9,243 USD
Save $9,063 USD (50%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,306 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 6451335316. Listed at 20 retailers, with prices from $9,243 to $18,306 at MOH London, a $9,063 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
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6451335316
Dimensions7.66 × 7.76 × 4.87 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.66 mm7.76 mm1.80 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6451335316
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $18,306 USD|Low: $9,243 USD|High: $18,306 USD|Avg: $13,764 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 1, 2026
Retailer 7$9,243 USD
Retailer 4$10,424 USD
Retailer 2$12,667 USD
Retailer 6$12,718 USD
Retailer 5$13,711 USD
Retailer 8$14,133 USD
Retailer 3$16,699 USD
MOH London$18,306 USD

40 data points across 8 retailers

20 retailers$9,243 USD to $18,306 USD

B+
Cheapest Retailer
-
$9,243 USD
B+
Retailer 2
-
$10,424 USD
View
B+
Retailer 3
-
$10,562 USD
View
B+
Retailer 4
-
$10,746 USD
View
B+
Retailer 5
-
$10,794 USD
View
B+
Retailer 6
-
$11,064 USD
View
B
Retailer 7
-
$11,415 USD
View
B+
Retailer 8
-
$12,359 USD
View
B+
Retailer 9
-
$12,478 USD
View
B+
Retailer 10
-
$12,667 USD
A$19,488 AUD
View
B+
Retailer 11
-
$12,746 USD
£10,037 GBP
View
B
Retailer 12
-
$12,754 USD
View
B
Retailer 13
-
$13,115 USD
View
B
Retailer 14
-
$13,300 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$13,300 USD
View
B
Retailer 16
-
$13,711 USD
€13,058 EUR
View
B
Retailer 17
-
$13,740 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$14,133 USD
View
B
Retailer 19
-
$16,699 USD
ZAR 269,770 ZAR
View
Most Expensive
B
MOH London
458A3D1A1 · Oct 1
$18,306 USD
£14,414 GBP
View
19 more retailers have this diamond
Prices start from $9,243 USDSave up to $9,063 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
$9,243 USD