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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG550255096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG550255096

Diamond specifications and retailer prices

From HK$1,828 HKD
$233 USD
As of October 29, 2026
Save HK$7,309 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,137 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG550255096 or 550255096. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,828 to HK$9,137, a HK$7,309 spread on the same certified stone. MOH London lists it at HK$9,137. 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

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550255096
Dimensions9.48 × 6.50 × 3.94 mm
L/W Ratio1.46
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
9.48 mm6.50 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550255096
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.6%

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: HK$9,137 HKD|Low: HK$1,757 HKD|High: HK$9,258 HKD|Avg: HK$4,831 HKD|+0.5%
MOH London
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
October 31, 2026
Retailer 11HK$1,828 HKD
Retailer 5HK$2,103 HKD
Retailer 10HK$2,118 HKD
Retailer 13HK$2,267 HKD
Retailer 15HK$3,201 HKD
Retailer 9HK$3,798 HKD
Retailer 6HK$4,245 HKD
Retailer 2HK$4,277 HKD
Retailer 8HK$4,733 HKD
Retailer 7HK$4,952 HKD
Retailer 12HK$7,289 HKD
Retailer 14HK$7,312 HKD
Retailer 3HK$7,336 HKD
Retailer 4HK$9,023 HKD
MOH LondonHK$9,137 HKD

42 data points across 15 retailers

18 retailersHK$1,828 HKD to HK$9,137 HKD

A
Cheapest Retailer
-
HK$1,828 HKD
$233 USD
A
Retailer 2
-
HK$2,103 HKD
$268 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,118 HKD
$270 USD
View
A
Retailer 4
-
HK$2,267 HKD
$289 USD
View
A
Retailer 5
-
HK$2,611 HKD
View
B+
Retailer 6
-
HK$3,201 HKD
$408 USD
View
A
Retailer 7
-
HK$3,798 HKD
€461 EUR
View
A
Retailer 8
-
HK$3,954 HKD
$504 USD
View
B+
Retailer 9
-
HK$4,245 HKD
$541 USD
View
B+
Retailer 10
-
HK$4,277 HKD
£429 GBP
View
B+
Retailer 11
-
HK$4,733 HKD
A$928 AUD
View
B+
Retailer 12
-
HK$4,952 HKD
$631 USD
View
B
Retailer 13
-
HK$7,289 HKD
$929 USD
View
B
Retailer 14
-
HK$7,312 HKD
$932 USD
View
Retailer 15
-
HK$7,336 HKD
$935 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
HK$7,664 HKD
SGD 1,320 SGD
View
B
Retailer 17
-
HK$9,023 HKD
$1,150 USD
View
Most Expensive
B
MOH London
LG550255096 · Oct 29
HK$9,137 HKD
£917 GBP
View
17 more retailers have this diamond
Prices start from HK$1,828 HKDSave up to HK$7,309 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
1.51ct Oval
HK$1,828 HKD