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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG700515678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700515678

Diamond specifications and retailer prices

From $610 SGD
$477 USD
As of November 1, 2026
Save $5,744 SGD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $6,354 SGD at Brilliant Earth · As of October 31, 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 LG700515678 or 700515678. Listed at 27 retailers as of October 31, 2026, with prices from $610 to $6,354, a $5,744 spread on the same certified stone. Brilliant Earth lists it at $6,354. 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 angle32.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700515678
Dimensions9.34 × 6.69 × 4.08 mm
L/W Ratio1.40
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
9.34 mm6.69 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700515678
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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: $6,354 SGD|Low: $586 SGD|High: $6,354 SGD|Avg: $1,897 SGD
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
November 1, 2026
Retailer 5$610 SGD
Retailer 3$683 SGD
Retailer 7$756 SGD
Retailer 8$756 SGD
Retailer 12$799 SGD
Retailer 15$933 SGD
Retailer 4$1,153 SGD
Retailer 13$1,254 SGD
Retailer 14$1,278 SGD
Retailer 18$1,299 SGD
Retailer 9$1,749 SGD
Retailer 17$1,759 SGD
Retailer 6$2,429 SGD
Retailer 16$2,578 SGD
Retailer 10$2,622 SGD
Retailer 11$2,776 SGD
Retailer 2$3,209 SGD
Brilliant Earth$6,354 SGD

32 data points across 18 retailers

27 retailers$610 SGD to $6,354 SGD

A
Cheapest Retailer
-
$610 SGD
$477 USD
A
Retailer 2
-
$681 SGD
$533 USD
View
Final sale: no returns
A
Retailer 3
-
$683 SGD
$534 USD
View
Retailer 4
-
$756 SGD
$591 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$756 SGD
$591 USD
View
A
Retailer 6
-
$799 SGD
£492 GBP
View
A
Retailer 7
-
$933 SGD
$730 USD
View
A
Retailer 8
-
$1,010 SGD
$790 USD
View
A
Retailer 9
-
$1,057 SGD
$827 USD
View
A
Retailer 10
-
$1,153 SGD
A$1,388 AUD
View
A
Retailer 11
-
$1,254 SGD
£773 GBP
View
A
Retailer 12
-
$1,278 SGD
€952 EUR
View
A
Retailer 13
-
$1,299 SGD
ZAR 16,410 ZAR
View
B+
Retailer 14
-
$1,431 SGD
$1,119 USD
View
B+
Retailer 15
-
$1,749 SGD
$1,368 USD
View
B+
Retailer 16
-
$1,759 SGD
A$2,117 AUD
View
B+
Retailer 17
-
$2,202 SGD
£1,356 GBP
View
B
Retailer 18
-
$2,387 SGD
View
B+
Retailer 19
-
$2,429 SGD
$1,900 USD
View
B
Retailer 20
-
$2,466 SGD
$1,929 USD
View
B+
Retailer 21
-
$2,578 SGD
A$3,102 AUD
View
B
Retailer 22
-
$2,622 SGD
$2,051 USD
View
B
Retailer 23
-
$2,655 SGD
$2,076 USD
View
B+
Retailer 24
-
$2,776 SGD
£1,710 GBP
View
B
Retailer 25
-
$2,827 SGD
$2,211 USD
View
B
Retailer 26
-
$3,209 SGD
$2,510 USD
View
Most Expensive
B
Brilliant Earth
14819721A · Oct 31
$6,354 SGD
$4,970 USD
View
26 more retailers have this diamond
Prices start from $610 SGDSave up to $5,744 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
$610 SGD