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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG497145338

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497145338

Diamond specifications and retailer prices

From HK$2,150 HKD
$274 USD
As of October 30, 2026
Save HK$7,187 HKD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$9,336 HKD 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 LG497145338 or 497145338. Listed at 24 retailers as of October 29, 2026, with prices from HK$2,150 to HK$9,336, a HK$7,187 spread on the same certified stone. Brilliant Earth lists it at HK$9,336. 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 angle36.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497145338
Dimensions9.07 × 6.53 × 4.10 mm
L/W Ratio1.39
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
9.07 mm6.53 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497145338
Side View
Table 60.5%Crown 36.7°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 62.8%

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 30
Current: HK$9,336 HKD|Low: HK$1,483 HKD|High: HK$9,650 HKD|Avg: HK$5,040 HKD|-3.3%
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
October 31, 2026
Retailer 12HK$2,150 HKD
Retailer 3HK$2,275 HKD
Retailer 10HK$3,256 HKD
Retailer 7HK$3,864 HKD
Retailer 5HK$4,095 HKD
Retailer 13HK$4,284 HKD
Retailer 2HK$4,361 HKD
Retailer 8HK$4,733 HKD
Retailer 4HK$5,050 HKD
Retailer 11HK$7,336 HKD
Retailer 9HK$7,438 HKD
Retailer 6HK$9,286 HKD
Brilliant EarthHK$9,336 HKD

42 data points across 13 retailers

24 retailersHK$2,150 HKD to HK$9,336 HKD

Retailer 1
-
HK$1,859 HKD
$237 USD
Price last confirmed 33 days ago
A
Retailer 2
-
HK$2,150 HKD
$274 USD
View
Final sale: no returns
Retailer 3
-
HK$2,158 HKD
$275 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$2,158 HKD
$275 USD
View
Price last confirmed 37 days ago
Retailer 5
-
HK$2,275 HKD
$290 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
HK$2,307 HKD
$294 USD
View
Retailer 7
-
HK$2,307 HKD
$294 USD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$2,307 HKD
$294 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
HK$2,711 HKD
View
B+
Retailer 10
-
HK$3,256 HKD
$415 USD
View
A
Retailer 11
-
HK$3,864 HKD
€469 EUR
View
A
Retailer 12
-
HK$4,095 HKD
$522 USD
View
B+
Retailer 13
-
HK$4,284 HKD
$546 USD
View
B+
Retailer 14
-
HK$4,361 HKD
£438 GBP
View
B+
Retailer 15
-
HK$4,733 HKD
A$928 AUD
View
B+
Retailer 16
-
HK$5,050 HKD
$644 USD
View
Retailer 17
-
HK$7,336 HKD
$935 USD
View
Price last confirmed 13 days ago
Retailer 18
-
HK$7,414 HKD
$945 USD
View
Price last confirmed 22 days ago
Retailer 19
-
HK$7,414 HKD
$945 USD
View
Price last confirmed 31 days ago
B
Retailer 20
-
HK$7,438 HKD
$948 USD
View
B
Retailer 21
-
HK$7,803 HKD
SGD 1,344 SGD
View
B
Retailer 22
-
HK$7,822 HKD
$997 USD
View
B
Retailer 23
-
HK$9,286 HKD
£932 GBP
View
Most Expensive
B
Brilliant Earth
5063644A · Oct 29
HK$9,336 HKD
$1,190 USD
View
23 more retailers have this diamond
Prices start from HK$2,150 HKDSave up to HK$7,187 HKD

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
HK$2,150 HKD