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Oval|Lab Grown|IGI

1.80ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG789630351

Certificate IGI LG789630351

Diamond specifications and retailer prices

From $338 USD
Save $5,722 USD (94%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,060 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 LG789630351 or 789630351. Listed at 24 retailers, with prices from $338 to $6,060 at Brilliant Earth, a $5,722 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 angle33.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789630351
Dimensions10.14 × 6.96 × 4.17 mm
L/W Ratio1.46
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
10.14 mm6.96 mm1.80 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789630351
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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: Sep 28
Current: $1,702 USD|Low: $275 USD|High: $3,130 USD|Avg: $1,094 USD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 17
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Retailer 19
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Retailer 22
October 1, 2026
Retailer 4$338 USD
Retailer 22$378 USD
Retailer 9$401 USD
Retailer 7$414 USD
Retailer 20$420 USD
Retailer 12$448 USD
Retailer 21$570 USD
Retailer 16$590 USD
Retailer 10$677 USD
Retailer 13$721 USD
Retailer 3$744 USD
Retailer 17$762 USD
Retailer 11$952 USD
Retailer 2$1,128 USD
Retailer 18$1,349 USD
Retailer 6$1,392 USD
Retailer 14$1,400 USD
Retailer 15$1,600 USD
Retailer 19$1,635 USD
Retailer 1$1,702 USD
Retailer 5$1,734 USD
Retailer 8$3,130 USD

37 data points across 22 retailers

24 retailers$338 USD to $6,060 USD

A
Cheapest Retailer
-
$338 USD
A
Retailer 2
-
$378 USD
View
A
Retailer 3
-
$401 USD
View
A
Retailer 4
-
$414 USD
View
A
Retailer 5
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$420 USD
View
A
Retailer 6
-
$448 USD
£353 GBP
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
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$590 USD
View
A
Retailer 9
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$677 USD
€645 EUR
View
A
Retailer 10
-
$721 USD
ZAR 11,648 ZAR
View
Price last confirmed 13 days ago
A
Retailer 11
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$745 USD
£586 GBP
View
A
Retailer 12
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$762 USD
View
A
Retailer 13
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$952 USD
View
B+
Retailer 14
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$1,128 USD
View
B+
Retailer 15
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$1,349 USD
View
B+
Retailer 16
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$1,392 USD
View
B+
Retailer 17
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$1,400 USD
View
B+
Retailer 18
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$1,588 USD
View
B+
Retailer 19
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$1,600 USD
£1,260 GBP
View
Price last confirmed 37 days ago
B+
Retailer 20
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$1,635 USD
View
B+
Retailer 21
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$1,702 USD
£1,340 GBP
View
B+
Retailer 22
-
$1,734 USD
View
B
Retailer 23
-
$3,130 USD
View
Most Expensive
B
Brilliant Earth
18981742A · Sep 29
$6,060 USD
View
23 more retailers have this diamond
Prices start from $338 USDSave up to $5,722 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
$338 USD