Oval|Natural|GIA

1.80ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6541447589

Certificate GIA 6541447589

Diamond specifications and retailer prices

From $11,168 USD
Save $7,858 USD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,026 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 6541447589. Listed at 12 retailers, with prices from $11,168 to $19,026 at MOH London, a $7,858 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
FluorescenceFaint
Crown angle39.43°
Pavilion angle34.85°
OriginNatural
Grading LabGIA
CertificateGIA 6541447589
Dimensions9.50 × 6.76 × 4.10 mm
L/W Ratio1.41
Top View
9.50 mm6.76 mm1.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541447589
Side View
Table 62.0%Crown 39.43°Girdle: THK-VTKPavilion 34.85°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $19,026 USD|Low: $9,242 USD|High: $19,026 USD|Avg: $13,358 USD
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
Retailer 15
Retailer 16
Retailer 17
October 1, 2026
Retailer 8$9,242 USD
Retailer 15$11,168 USD
Retailer 9$11,172 USD
Retailer 12$11,855 USD
Retailer 17$12,137 USD
Retailer 4$12,846 USD
Retailer 10$13,172 USD
Retailer 11$13,206 USD
Retailer 3$13,910 USD
Retailer 16$13,910 USD
Retailer 6$14,182 USD
Retailer 5$14,370 USD
Retailer 2$14,881 USD
Retailer 14$14,961 USD
Retailer 13$17,355 USD
Retailer 7$18,520 USD
MOH London$19,026 USD

8 data points across 17 retailers

12 retailers$11,168 USD to $19,026 USD

B
Cheapest Retailer
-
$11,168 USD
B
Retailer 2
-
$11,855 USD
View
B
Retailer 3
-
$13,172 USD
A$20,264 AUD
View
B
Retailer 4
-
$13,206 USD
£10,399 GBP
View
B
Retailer 5
-
$13,910 USD
View
B
Retailer 6
-
$13,910 USD
View
B
Retailer 7
-
$14,182 USD
View
B
Retailer 8
-
$14,370 USD
View
Price last confirmed 45 days ago
B
Retailer 9
-
$14,881 USD
€14,172 EUR
View
B
Retailer 10
-
$14,961 USD
View
B
Retailer 11
-
$17,355 USD
ZAR 280,373 ZAR
View
Most Expensive
B
MOH London
85A414F08 · Oct 1
$19,026 USD
£14,981 GBP
View
11 more retailers have this diamond
Prices start from $11,168 USDSave up to $7,858 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
$11,168 USD