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Marquise|Lab Grown|IGI

3.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545835

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545835

Diamond specifications and retailer prices

From HK$28,274 HKD
$3,604 USD
As of October 28, 2026
Save HK$113,497 HKD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$141,771 HKD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545835 or 762545835. Listed at 15 retailers as of October 27, 2026, with prices from HK$28,274 to HK$141,771, a HK$113,497 spread on the same certified stone. Taylor and Hart lists it at HK$141,771. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545835
Dimensions14.87 × 7.62 × 4.80 mm
L/W Ratio1.95
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
14.87 mm7.62 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545835
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$65,273 HKD|Low: HK$28,274 HKD|High: HK$136,922 HKD|Avg: HK$71,563 HKD|+3.2%
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
October 29, 2026
Retailer 10HK$28,274 HKD
Retailer 3HK$33,946 HKD
Retailer 7HK$51,305 HKD
Retailer 9HK$56,877 HKD
Retailer 12HK$61,192 HKD
Retailer 1HK$65,273 HKD
Retailer 2HK$67,986 HKD
Retailer 5HK$68,168 HKD
Retailer 6HK$82,765 HKD
Retailer 8HK$91,945 HKD
Retailer 13HK$93,670 HKD
Retailer 4HK$107,007 HKD
Retailer 11HK$133,388 HKD

38 data points across 13 retailers

15 retailersHK$28,274 HKD to HK$141,771 HKD

A
Cheapest Retailer
-
HK$28,274 HKD
$3,604 USD
A
Retailer 2
-
HK$33,946 HKD
$4,327 USD
View
B+
Retailer 3
-
HK$50,409 HKD
View
B+
Retailer 4
-
HK$51,305 HKD
£5,149 GBP
View
B+
Retailer 5
-
HK$52,288 HKD
£5,248 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$56,877 HKD
$7,250 USD
View
B+
Retailer 7
-
HK$61,192 HKD
$7,800 USD
View
B+
Retailer 8
-
HK$65,273 HKD
€7,924 EUR
View
B+
Retailer 9
-
HK$67,986 HKD
$8,666 USD
View
B+
Retailer 10
-
HK$82,765 HKD
£8,307 GBP
View
B+
Retailer 11
-
HK$91,945 HKD
ZAR 189,339 ZAR
View
B
Retailer 12
-
HK$93,670 HKD
$11,940 USD
View
B
Retailer 13
-
HK$107,007 HKD
$13,640 USD
View
B
Retailer 14
-
HK$133,388 HKD
A$26,158 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Taylor and Hart
CUSHYXH · Oct 27
HK$141,771 HKD
$18,071 USD
View
14 more retailers have this diamond
Prices start from HK$28,274 HKDSave up to HK$113,497 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
3.10ct Marquise
HK$28,274 HKD