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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG689565873

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG689565873

Diamond specifications and retailer prices

From $339 USD
As of November 1, 2026
Save $2,601 USD (88%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $2,940 USD at Brilliant Earth · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689565873 or 689565873. Listed at 31 retailers as of November 1, 2026, with prices from $339 to $2,940, a $2,601 spread on the same certified stone. Brilliant Earth lists it at $2,940. 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 angle35°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689565873
Dimensions9.29 × 6.61 × 4.05 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
9.29 mm6.61 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689565873
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.3%

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: Nov 1
Current: $2,940 USD|Low: $321 USD|High: $4,950 USD|Avg: $1,097 USD|-40.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 16$339 USD
Retailer 10$410 USD
Retailer 3$502 USD
Retailer 18$505 USD
Retailer 19$586 USD
Retailer 13$614 USD
Retailer 7$618 USD
Retailer 2$629 USD
Retailer 8$707 USD
Retailer 9$798 USD
Retailer 17$827 USD
Retailer 4$1,053 USD
Retailer 21$1,093 USD
Retailer 14$1,178 USD
Retailer 11$1,193 USD
Retailer 12$1,198 USD
Retailer 6$1,369 USD
Retailer 20$1,434 USD
Retailer 5$1,471 USD
Retailer 15$1,909 USD
Brilliant Earth$2,940 USD

36 data points across 21 retailers

31 retailers$339 USD to $2,940 USD

Retailer 1
-
$305 USD
Price last confirmed 34 days ago
Retailer 2
-
$333 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$339 USD
View
Final sale: no returns
Retailer 4
-
$354 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$356 USD
View
Retailer 6
-
$356 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$356 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$373 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
$410 USD
HK$3,200 HKD
View
A
Retailer 10
-
$502 USD
View
A
Retailer 11
-
$505 USD
View
A
Retailer 12
-
$586 USD
€558 EUR
View
A
Retailer 13
-
$614 USD
ZAR 9,913 ZAR
View
A
Retailer 14
-
$618 USD
View
A
Retailer 15
-
$629 USD
£495 GBP
View
A
Retailer 16
-
$707 USD
A$1,088 AUD
View
A
Retailer 17
-
$798 USD
View
A
Retailer 18
-
$827 USD
A$1,273 AUD
View
B+
Retailer 19
-
$1,053 USD
View
B+
Retailer 20
-
$1,093 USD
View
Retailer 21
-
$1,144 USD
View
Price last confirmed 23 days ago
B+
Retailer 22
-
$1,178 USD
View
B+
Retailer 23
-
$1,193 USD
View
B+
Retailer 24
-
$1,198 USD
SGD 1,619 SGD
View
Retailer 25
-
$1,216 USD
View
Price last confirmed 33 days ago
B+
Retailer 26
-
$1,369 USD
View
B+
Retailer 27
-
$1,434 USD
£1,129 GBP
View
B+
Retailer 28
-
$1,471 USD
View
B+
Retailer 29
-
$1,909 USD
A$2,937 AUD
View
Retailer 30
-
$2,430 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Brilliant Earth
13883160A · Nov 2
$2,940 USD
View
30 more retailers have this diamond
Prices start from $339 USDSave up to $2,601 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
$339 USD