Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG813651683

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813651683

Diamond specifications and retailer prices

From $370 USD
As of October 30, 2026
Save $4,053 USD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,420 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813651683 or 813651683. Listed at 22 retailers as of October 30, 2026, with a 1095% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651683
Dimensions9.39 × 6.54 × 4.10 mm
L/W Ratio1.44
Girdle conditionFaceted
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
9.39 mm6.54 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651683
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,420 USD|Low: $370 USD|High: $5,420 USD|Avg: $1,476 USD
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 7$370 USD
Retailer 17$459 USD
Retailer 21$475 USD
Retailer 25$546 USD
Retailer 18$561 USD
Retailer 12$569 USD
Retailer 13$678 USD
Retailer 23$696 USD
Retailer 6$749 USD
Retailer 19$778 USD
Retailer 2$816 USD
Retailer 24$834 USD
Retailer 15$882 USD
Retailer 22$1,202 USD
Retailer 8$1,346 USD
Retailer 9$1,460 USD
Retailer 4$1,605 USD
Retailer 5$1,611 USD
Retailer 16$1,661 USD
Retailer 20$1,770 USD
Retailer 14$2,307 USD
Retailer 3$2,940 USD
Retailer 11$4,010 USD
Retailer 10$4,423 USD
Brilliant Earth$5,420 USD

36 data points across 25 retailers

22 retailers$370 USD to $4,423 USD

A
Cheapest Retailer
-
$370 USD
Final sale: no returns
Retailer 2
-
$459 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$475 USD
View
Retailer 4
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$514 USD
View
Price last confirmed 35 days ago
A
Retailer 5
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$546 USD
View
Retailer 6
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$561 USD
View
Price last confirmed 33 days ago
A
Retailer 7
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$610 USD
View
A
Retailer 8
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$749 USD
View
A
Retailer 9
-
$778 USD
ZAR 12,562 ZAR
View
A
Retailer 10
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$816 USD
£643 GBP
View
A
Retailer 11
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$834 USD
View
B+
Retailer 12
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$1,202 USD
View
B+
Retailer 13
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$1,346 USD
View
B+
Retailer 14
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$1,460 USD
View
B+
Retailer 15
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$1,605 USD
View
B+
Retailer 16
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$1,611 USD
View
B+
Retailer 17
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$1,770 USD
£1,394 GBP
View
Retailer 18
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$1,828 USD
View
Price last confirmed 32 days ago
B
Retailer 19
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$2,940 USD
View
Retailer 20
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$4,010 USD
View
Price last confirmed 16 days ago
B
Retailer 21
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$4,423 USD
View
Most Expensive
Brilliant Earth
21802805A · Oct 29
$5,420 USD
View
Price under review
21 more retailers have this diamond
Prices start from $370 USDSave up to $4,053 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Oval
$370 USD