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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG720566122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720566122

Diamond specifications and retailer prices

From $367 SGD
$287 USD
As of October 29, 2026
Save $3,392 SGD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,758 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 LG720566122 or 720566122. Listed at 26 retailers as of October 29, 2026, with prices from $367 to $3,758, a $3,392 spread on the same certified stone. Brilliant Earth lists it at $3,758. 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 angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720566122
Dimensions9.63 × 6.47 × 4.01 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
9.63 mm6.47 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720566122
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $3,758 SGD|Low: $353 SGD|High: $6,328 SGD|Avg: $1,318 SGD|-40.6%
Brilliant Earth
Retailer 2
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Retailer 25
November 1, 2026
Retailer 3$367 SGD
Retailer 19$410 SGD
Retailer 25$426 SGD
Retailer 5$455 SGD
Retailer 15$524 SGD
Retailer 7$642 SGD
Retailer 23$646 SGD
Retailer 24$749 SGD
Retailer 22$782 SGD
Retailer 11$790 SGD
Retailer 2$797 SGD
Retailer 12$904 SGD
Retailer 14$1,020 SGD
Retailer 21$1,058 SGD
Retailer 8$1,346 SGD
Retailer 6$1,397 SGD
Retailer 4$1,462 SGD
Retailer 18$1,506 SGD
Retailer 16$1,525 SGD
Retailer 17$1,532 SGD
Retailer 10$1,750 SGD
Retailer 20$1,833 SGD
Retailer 9$1,881 SGD
Retailer 13$2,441 SGD
Brilliant Earth$3,758 SGD

33 data points across 25 retailers

26 retailers$367 SGD to $3,758 SGD

A
Cheapest Retailer
-
$367 SGD
$287 USD
A
Retailer 2
-
$410 SGD
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$426 SGD
$333 USD
View
A
Retailer 4
-
$455 SGD
$356 USD
View
A
Retailer 5
-
$524 SGD
HK$3,200 HKD
View
A
Retailer 6
-
$642 SGD
$502 USD
View
A
Retailer 7
-
$646 SGD
$505 USD
View
A
Retailer 8
-
$749 SGD
€558 EUR
View
A
Retailer 9
-
$782 SGD
ZAR 9,878 ZAR
View
A
Retailer 10
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$790 SGD
$618 USD
View
A
Retailer 11
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$797 SGD
£491 GBP
View
A
Retailer 12
-
$904 SGD
A$1,088 AUD
View
A
Retailer 13
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$1,020 SGD
$798 USD
View
A
Retailer 14
-
$1,058 SGD
A$1,273 AUD
View
B+
Retailer 15
-
$1,346 SGD
$1,053 USD
View
B+
Retailer 16
-
$1,397 SGD
$1,093 USD
View
B+
Retailer 17
-
$1,462 SGD
$1,144 USD
View
B+
Retailer 18
-
$1,506 SGD
$1,178 USD
View
B+
Retailer 19
-
$1,525 SGD
$1,193 USD
View
B+
Retailer 20
-
$1,532 SGD
View
B+
Retailer 21
-
$1,750 SGD
$1,369 USD
View
B+
Retailer 22
-
$1,833 SGD
£1,129 GBP
View
B+
Retailer 23
-
$1,881 SGD
$1,471 USD
View
B+
Retailer 24
-
$2,441 SGD
A$2,937 AUD
View
Retailer 25
-
$3,107 SGD
$2,430 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Brilliant Earth
15368126A · Oct 31
$3,758 SGD
$2,940 USD
View
25 more retailers have this diamond
Prices start from $367 SGDSave up to $3,392 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
$367 SGD