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Oval|Lab Grown|IGI

1.80ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG787651531

Certificate IGI LG787651531

Diamond specifications and retailer prices

From $448 USD
£353 GBP
Save $3,552 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,000 USD at Brilliant Earth
View at Brilliant Earth

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787651531 or 787651531. Listed at 18 retailers, with prices from $448 to $4,000 at Brilliant Earth, a $3,552 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651531
Dimensions10.01 × 6.77 × 4.19 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.01 mm6.77 mm1.80 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651531
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,000 USD|Low: $246 USD|High: $4,000 USD|Avg: $1,182 USD
Brilliant Earth
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
Retailer 18
October 1, 2026
Retailer 10$246 USD
Retailer 2$448 USD
Retailer 15$570 USD
Retailer 11$590 USD
Retailer 6$677 USD
Retailer 13$707 USD
Retailer 8$721 USD
Retailer 17$744 USD
Retailer 12$762 USD
Retailer 7$952 USD
Retailer 16$1,128 USD
Retailer 4$1,392 USD
Retailer 9$1,400 USD
Retailer 14$1,635 USD
Retailer 18$1,702 USD
Retailer 3$1,734 USD
Retailer 5$3,130 USD
Brilliant Earth$4,000 USD

34 data points across 18 retailers

18 retailers$448 USD to $4,000 USD

A
Cheapest Retailer
-
$448 USD
£353 GBP
A
Retailer 2
-
$570 USD
View
A
Retailer 3
-
$590 USD
View
A
Retailer 4
-
$677 USD
€645 EUR
View
A
Retailer 5
-
$707 USD
View
A
Retailer 6
-
$721 USD
ZAR 11,648 ZAR
View
Price last confirmed 13 days ago
A
Retailer 7
-
$745 USD
£586 GBP
View
A
Retailer 8
-
$762 USD
View
A
Retailer 9
-
$952 USD
View
A
Retailer 10
-
$1,128 USD
View
B+
Retailer 11
-
$1,392 USD
View
B+
Retailer 12
-
$1,400 USD
View
B+
Retailer 13
-
$1,588 USD
View
B+
Retailer 14
-
$1,635 USD
View
B+
Retailer 15
-
$1,702 USD
£1,340 GBP
View
B+
Retailer 16
-
$1,734 USD
View
B
Retailer 17
-
$3,130 USD
View
Most Expensive
B
Brilliant Earth
18649417A · Sep 29
$4,000 USD
View
17 more retailers have this diamond
Prices start from $448 USDSave up to $3,552 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.

A
1.80ct Oval
$448 USD