Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG784669499

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784669499

Diamond specifications and retailer prices

From $272 USD
As of November 1, 2026
Save $1,081 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,405 USD at Rare Carat · As of October 5, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784669499 or 784669499. Listed at 21 retailers as of November 1, 2026, with a 397% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784669499
Dimensions9.54 × 6.41 × 4.05 mm
L/W Ratio1.49
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
9.54 mm6.41 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784669499
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $2,405 USD|Low: $271 USD|High: $4,950 USD|Avg: $982 USD
Rare Carat
Retailer 2
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Retailer 22
November 3, 2026
Retailer 8$272 USD
Retailer 7$304 USD
Retailer 5$316 USD
Retailer 20$337 USD
Retailer 15$350 USD
Retailer 16$357 USD
Retailer 9$559 USD
Retailer 12$572 USD
Retailer 3$580 USD
Retailer 17$582 USD
Retailer 13$593 USD
Retailer 11$676 USD
Retailer 2$792 USD
Retailer 19$1,037 USD
Retailer 4$1,047 USD
Retailer 10$1,076 USD
Retailer 21$1,085 USD
Retailer 6$1,298 USD
Retailer 22$1,340 USD
Retailer 18$1,353 USD
Rare Carat$2,405 USD
Retailer 14$4,950 USD

30 data points across 22 retailers

21 retailers$272 USD to $1,353 USD

A+
Cheapest Retailer
-
$272 USD
A
Retailer 2
-
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$316 USD
View
A
Retailer 4
-
$337 USD
View
Retailer 5
-
$350 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$357 USD
£281 GBP
View
A
Retailer 7
-
$559 USD
View
A
Retailer 8
-
$580 USD
View
A
Retailer 9
-
$582 USD
ZAR 9,401 ZAR
View
A
Retailer 10
-
$593 USD
£467 GBP
View
A
Retailer 11
-
$676 USD
View
Retailer 12
-
$779 USD
View
Price last confirmed 19 days ago
A
Retailer 13
-
$792 USD
A$1,218 AUD
View
B+
Retailer 14
-
$1,037 USD
View
B+
Retailer 15
-
$1,047 USD
View
B+
Retailer 16
-
$1,076 USD
View
B+
Retailer 17
-
$1,085 USD
View
B+
Retailer 18
-
$1,298 USD
View
B+
Retailer 19
-
$1,340 USD
View
B+
Retailer 20
-
$1,353 USD
£1,065 GBP
View
Most Expensive
Rare Carat
C131-15A · Oct 5
$2,405 USD
View
Price last confirmed 29 days ago
20 more retailers have this diamond
Prices start from $272 USDSave up to $1,081 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
$272 USD