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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG809618878

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809618878

Diamond specifications and retailer prices

From $320 SGD
$250 USD
As of October 26, 2026
Save $3,835 SGD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,155 SGD at Brilliant Earth · As of October 28, 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 LG809618878 or 809618878. Listed at 18 retailers as of October 26, 2026, with prices from $320 to $4,155, a $3,835 spread on the same certified stone. Brilliant Earth lists it at $4,155. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809618878
Dimensions9.26 × 6.53 × 4.05 mm
L/W Ratio1.42
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
9.26 mm6.53 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809618878
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.0%

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: Oct 26
Current: $4,155 SGD|Low: $320 SGD|High: $6,494 SGD|Avg: $1,395 SGD|-36.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 28, 2026
Retailer 4$320 SGD
Retailer 7$358 SGD
Retailer 5$371 SGD
Retailer 11$465 SGD
Retailer 6$523 SGD
Retailer 3$566 SGD
Retailer 12$569 SGD
Retailer 13$733 SGD
Retailer 17$735 SGD
Retailer 2$1,018 SGD
Retailer 15$1,120 SGD
Retailer 8$1,351 SGD
Retailer 16$1,406 SGD
Retailer 9$1,529 SGD
Retailer 14$1,757 SGD
Retailer 18$2,838 SGD
Retailer 10$3,049 SGD
Brilliant Earth$4,155 SGD

30 data points across 18 retailers

18 retailers$320 SGD to $4,155 SGD

A+
Cheapest Retailer
-
$320 SGD
$250 USD
A
Retailer 2
-
$371 SGD
$290 USD
View
A
Retailer 3
-
$465 SGD
£287 GBP
View
A
Retailer 4
-
$523 SGD
$409 USD
View
B+
Retailer 5
-
$566 SGD
$443 USD
View
A
Retailer 6
-
$569 SGD
$445 USD
View
A
Retailer 7
-
$733 SGD
€546 EUR
View
A
Retailer 8
-
$735 SGD
$575 USD
View
A
Retailer 9
-
$1,018 SGD
A$1,225 AUD
View
A
Retailer 10
-
$1,120 SGD
$876 USD
View
Retailer 11
-
$1,140 SGD
$892 USD
View
Price last confirmed 45 days ago
B+
Retailer 12
-
$1,351 SGD
$1,057 USD
View
B+
Retailer 13
-
$1,406 SGD
$1,100 USD
View
B+
Retailer 14
-
$1,529 SGD
$1,196 USD
View
B+
Retailer 15
-
$1,757 SGD
£1,082 GBP
View
B+
Retailer 16
-
$2,838 SGD
$2,220 USD
View
Retailer 17
-
$3,049 SGD
$2,385 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21408725Y · Oct 28
$4,155 SGD
$3,250 USD
View
17 more retailers have this diamond
Prices start from $320 SGDSave up to $3,835 SGD

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
$320 SGD