Oval|Lab Grown|IGI

1.80ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG781642643

Certificate IGI LG781642643

Diamond specifications and retailer prices

From $388 USD
Save $3,612 USD (90%) vs most expensive(unlock to see where)
22 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 LG781642643 or 781642643. Listed at 22 retailers, with prices from $388 to $4,000 at Brilliant Earth, a $3,612 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781642643
Dimensions9.83 × 6.77 × 4.26 mm
L/W Ratio1.45
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
9.83 mm6.77 mm1.80 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781642643
Side View
Table 61.0%Crown 35.6°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

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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: Sep 26
Current: $4,000 USD|Low: $269 USD|High: $4,000 USD|Avg: $1,254 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
October 1, 2026
Retailer 7$409 USD
Retailer 10$415 USD
Retailer 16$565 USD
Retailer 12$578 USD
Retailer 14$617 USD
Retailer 5$656 USD
Retailer 9$697 USD
Retailer 18$725 USD
Retailer 13$753 USD
Retailer 6$929 USD
Retailer 17$1,102 USD
Retailer 3$1,362 USD
Retailer 8$1,396 USD
Retailer 11$1,539 USD
Retailer 15$1,611 USD
Retailer 2$1,662 USD
Retailer 19$1,695 USD
Retailer 4$3,130 USD
Brilliant Earth$4,000 USD

37 data points across 19 retailers

22 retailers$388 USD to $4,000 USD

A
Retailer 1
-
$335 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$388 USD
View
A
Retailer 3
-
$409 USD
View
A
Retailer 4
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$415 USD
View
A
Retailer 5
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$565 USD
View
A
Retailer 6
-
$578 USD
View
A
Retailer 7
-
$617 USD
View
A
Retailer 8
-
$656 USD
€625 EUR
View
A
Retailer 9
-
$697 USD
ZAR 11,261 ZAR
View
Price last confirmed 13 days ago
A
Retailer 10
-
$726 USD
£572 GBP
View
A
Retailer 11
-
$753 USD
View
A
Retailer 12
-
$929 USD
View
A
Retailer 13
-
$1,102 USD
View
B+
Retailer 14
-
$1,362 USD
View
B+
Retailer 15
-
$1,396 USD
View
B+
Retailer 16
-
$1,539 USD
£1,212 GBP
View
Price last confirmed 37 days ago
B+
Retailer 17
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$1,548 USD
View
B+
Retailer 18
-
$1,611 USD
View
B+
Retailer 19
-
$1,662 USD
£1,309 GBP
View
B+
Retailer 20
-
$1,695 USD
View
B
Retailer 21
-
$3,130 USD
View
Most Expensive
B
Brilliant Earth
18156132A · Sep 29
$4,000 USD
View
21 more retailers have this diamond
Prices start from $388 USDSave up to $3,612 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
$388 USD