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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG772670251

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG772670251

Diamond specifications and retailer prices

From $666 USD
As of October 29, 2026
Save $2,606 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,470 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 LG772670251 or 772670251. Listed at 24 retailers as of October 29, 2026, with a 391% 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 angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772670251
Dimensions9.24 × 6.55 × 4.09 mm
L/W Ratio1.41
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
9.24 mm6.55 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772670251
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 29
Current: $5,470 USD|Low: $639 USD|High: $5,470 USD|Avg: $1,743 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 17$666 USD
Retailer 16$725 USD
Retailer 11$745 USD
Retailer 4$773 USD
Retailer 5$773 USD
Retailer 10$1,017 USD
Retailer 7$1,108 USD
Retailer 14$1,110 USD
Retailer 12$1,195 USD
Retailer 2$1,236 USD
Retailer 13$1,420 USD
Retailer 6$1,729 USD
Retailer 19$2,172 USD
Retailer 8$2,497 USD
Retailer 15$2,553 USD
Retailer 9$2,606 USD
Retailer 3$3,272 USD
Retailer 18$4,030 USD
Brilliant Earth$5,470 USD

42 data points across 19 retailers

24 retailers$666 USD to $3,272 USD

A
Cheapest Retailer
-
$666 USD
A
Retailer 2
-
$725 USD
View
A
Retailer 3
-
$745 USD
View
Final sale: no returns
Retailer 4
-
$773 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$773 USD
View
B+
Retailer 6
-
$1,017 USD
View
B+
Retailer 7
-
$1,108 USD
View
B+
Retailer 8
-
$1,110 USD
View
B+
Retailer 9
-
$1,182 USD
View
B+
Retailer 10
-
$1,195 USD
A$1,838 AUD
View
B+
Retailer 11
-
$1,236 USD
£973 GBP
View
B+
Retailer 12
-
$1,420 USD
ZAR 22,941 ZAR
View
B
Retailer 13
-
$1,729 USD
View
B
Retailer 14
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$2,172 USD
View
B
Retailer 15
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$2,408 USD
£1,896 GBP
View
B
Retailer 16
-
$2,497 USD
View
B
Retailer 17
-
$2,553 USD
€2,431 EUR
View
B
Retailer 18
-
$2,606 USD
SGD 3,521 SGD
View
B
Retailer 19
-
$2,635 USD
View
B
Retailer 20
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$2,665 USD
View
B
Retailer 21
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$2,681 USD
View
B
Retailer 22
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$3,272 USD
£2,576 GBP
View
Retailer 23
-
$4,030 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
19885613A · Oct 29
$5,470 USD
View
Price under review
23 more retailers have this diamond
Prices start from $666 USDSave up to $2,606 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
$666 USD