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Marquise|Lab Grown|IGI

0.51ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG845658670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845658670

Diamond specifications and retailer prices

From HK$1,765 HKD
As of November 5, 2026
Save HK$7,642 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,407 HKD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845658670 or 845658670. Listed at 15 retailers as of November 4, 2026, with prices from HK$1,765 to HK$9,407, a HK$7,642 spread on the same certified stone. Reve Diamonds lists it at HK$9,407. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845658670
Dimensions7.99 × 4.13 × 2.59 mm
L/W Ratio1.93
Girdle conditionFaceted
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
7.99 mm4.13 mm0.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845658670
Side View
Table 59.0%Crown 35.1°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 62.7%

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: Nov 5
Current: HK$3,562 HKD|Low: HK$1,765 HKD|High: HK$9,407 HKD|Avg: HK$4,579 HKD|-0.4%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 14HK$1,765 HKD
Retailer 8HK$1,836 HKD
Retailer 10HK$1,961 HKD
Retailer 2HK$2,205 HKD
Retailer 4HK$2,824 HKD
Retailer 3HK$3,397 HKD
Retailer 13HK$3,530 HKD
Retailer 1HK$3,562 HKD
Retailer 9HK$3,562 HKD
Retailer 6HK$5,319 HKD
Retailer 11HK$6,308 HKD
Retailer 12HK$6,331 HKD
Retailer 5HK$6,723 HKD
Retailer 7HK$9,171 HKD
Reve DiamondsHK$9,407 HKD

10 data points across 15 retailers

15 retailersHK$1,765 HKD to HK$9,407 HKD

A
Cheapest Retailer
-
HK$1,765 HKD
Final sale: no returns
A
Retailer 2
-
HK$1,836 HKD
View
A
Retailer 3
-
HK$1,961 HKD
View
A
Retailer 4
-
HK$2,205 HKD
View
A
Retailer 5
-
HK$2,824 HKD
View
B+
Retailer 6
-
HK$3,397 HKD
View
B+
Retailer 7
-
HK$3,530 HKD
View
B+
Retailer 8
-
HK$3,562 HKD
View
B+
Retailer 9
-
HK$3,562 HKD
View
B+
Retailer 10
-
HK$5,319 HKD
View
B
Retailer 11
-
HK$6,308 HKD
View
B
Retailer 12
-
HK$6,331 HKD
View
B
Retailer 13
-
HK$6,723 HKD
View
B
Retailer 14
-
HK$9,171 HKD
View
Most Expensive
B
Reve Diamonds
2828CD641 · Nov 4
HK$9,407 HKD
$1,199 USD
View
14 more retailers have this diamond
Prices start from HK$1,765 HKDSave up to HK$7,642 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
0.51ct Marquise
HK$1,765 HKD