Oval|Natural|GIA

1.80ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6385092452

Certificate GIA 6385092452

Diamond specifications and retailer prices

From $10,209 USD
Save $8,325 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,534 USD at MOH London
View at MOH London

About this 1.8ct natural oval diamond

This 1.8ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6385092452. Listed at 15 retailers, with prices from $10,209 to $18,534 at MOH London, a $8,325 spread on the same certified stone. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6385092452
Dimensions8.83 × 6.35 × 4.33 mm
L/W Ratio1.39
Top View
8.83 mm6.35 mm1.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6385092452
Side View
Table 63.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 68.2%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $18,534 USD|Low: $10,105 USD|High: $18,534 USD|Avg: $12,132 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 1, 2026
Retailer 12$10,209 USD
Retailer 9$10,296 USD
Retailer 11$10,740 USD
Retailer 6$10,879 USD
Retailer 5$11,133 USD
Retailer 13$11,204 USD
Retailer 4$11,555 USD
Retailer 3$11,931 USD
Retailer 7$12,827 USD
Retailer 10$12,969 USD
Retailer 14$14,311 USD
Retailer 2$14,495 USD
Retailer 8$16,907 USD
MOH London$18,534 USD

38 data points across 14 retailers

15 retailers$10,209 USD to $18,534 USD

B+
Cheapest Retailer
-
$10,209 USD
B+
Retailer 2
-
$10,296 USD
View
B
Retailer 3
-
$10,740 USD
View
B
Retailer 4
-
$10,764 USD
View
B
Retailer 5
-
$10,879 USD
View
B
Retailer 6
-
$11,133 USD
CA$15,463 CAD
View
B
Retailer 7
-
$11,204 USD
View
B
Retailer 8
-
$11,555 USD
View
B
Retailer 9
-
$11,931 USD
View
B
Retailer 10
-
$12,827 USD
A$19,734 AUD
View
B
Retailer 11
-
$12,998 USD
£10,235 GBP
View
B
Retailer 12
-
$14,311 USD
View
B
Retailer 13
-
$14,495 USD
€13,805 EUR
View
B
Retailer 14
-
$16,907 USD
ZAR 273,131 ZAR
View
Most Expensive
B
MOH London
B1C706346 · Oct 1
$18,534 USD
£14,594 GBP
View
14 more retailers have this diamond
Prices start from $10,209 USDSave up to $8,325 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 Oval
$10,209 USD