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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG520285353

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG520285353

Diamond specifications and retailer prices

From $350 SGD
$274 USD
As of October 30, 2026
Save $1,171 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,521 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520285353 or 520285353. Listed at 22 retailers as of October 29, 2026, with prices from $350 to $1,521, a $1,171 spread on the same certified stone. Brilliant Earth lists it at $1,521. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520285353
Dimensions9.17 × 6.56 × 4.18 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
9.17 mm6.56 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520285353
Side View
Table 59.5%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.7%

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: Oct 30
Current: $1,521 SGD|Low: $242 SGD|High: $1,572 SGD|Avg: $871 SGD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$350 SGD
Retailer 6$531 SGD
Retailer 4$630 SGD
Retailer 10$667 SGD
Retailer 9$698 SGD
Retailer 2$711 SGD
Retailer 7$1,195 SGD
Retailer 5$1,212 SGD
Retailer 3$1,513 SGD
Brilliant Earth$1,521 SGD

42 data points across 10 retailers

22 retailers$350 SGD to $1,521 SGD

Retailer 1
-
$303 SGD
$237 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$350 SGD
$274 USD
View
Final sale: no returns
Retailer 3
-
$352 SGD
$275 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$352 SGD
$275 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$371 SGD
$290 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$376 SGD
$294 USD
View
Retailer 7
-
$376 SGD
$294 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$376 SGD
$294 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$442 SGD
HK$2,700 HKD
View
B+
Retailer 10
-
$531 SGD
$415 USD
View
A
Retailer 11
-
$630 SGD
€469 EUR
View
B+
Retailer 12
-
$667 SGD
$522 USD
View
B+
Retailer 13
-
$698 SGD
$546 USD
View
B+
Retailer 14
-
$711 SGD
£438 GBP
View
Retailer 15
-
$1,195 SGD
$935 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$1,208 SGD
$945 USD
View
Price last confirmed 21 days ago
Retailer 17
-
$1,208 SGD
$945 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
$1,212 SGD
$948 USD
View
B
Retailer 19
-
$1,271 SGD
View
B
Retailer 20
-
$1,275 SGD
$997 USD
View
B
Retailer 21
-
$1,513 SGD
£932 GBP
View
Most Expensive
B
Brilliant Earth
5627585A · Oct 29
$1,521 SGD
$1,190 USD
View
21 more retailers have this diamond
Prices start from $350 SGDSave up to $1,171 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
1.54ct Oval
$350 SGD