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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768630641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630641

Diamond specifications and retailer prices

From HK$28,276 HKD
$3,604 USD
As of October 31, 2026
Save HK$113,506 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$141,782 HKD at Taylor and Hart · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630641 or 768630641. Listed at 13 retailers as of October 31, 2026, with prices from HK$28,276 to HK$141,782, a HK$113,506 spread on the same certified stone. Taylor and Hart lists it at HK$141,782. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630641
Dimensions14.94 × 7.68 × 4.81 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
14.94 mm7.68 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630641
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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 31
Current: HK$51,542 HKD|Low: HK$28,276 HKD|High: HK$141,782 HKD|Avg: HK$74,369 HKD|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 9HK$28,276 HKD
Retailer 11HK$33,948 HKD
Retailer 3HK$50,413 HKD
Retailer 1HK$51,542 HKD
Retailer 10HK$57,627 HKD
Retailer 2HK$61,196 HKD
Retailer 7HK$65,278 HKD
Retailer 5HK$67,630 HKD
Retailer 4HK$67,991 HKD
Retailer 8HK$82,771 HKD
Retailer 6HK$92,315 HKD
Retailer 12HK$107,015 HKD
Taylor and HartHK$141,782 HKD

38 data points across 13 retailers

13 retailersHK$28,276 HKD to HK$141,782 HKD

A
Cheapest Retailer
-
HK$28,276 HKD
$3,604 USD
A
Retailer 2
-
HK$33,948 HKD
$4,327 USD
View
B+
Retailer 3
-
HK$50,413 HKD
View
B+
Retailer 4
-
HK$51,542 HKD
£5,173 GBP
View
B+
Retailer 5
-
HK$57,627 HKD
$7,345 USD
View
B+
Retailer 6
-
HK$61,196 HKD
$7,800 USD
View
B+
Retailer 7
-
HK$65,278 HKD
€7,924 EUR
View
B+
Retailer 8
-
HK$67,630 HKD
$8,620 USD
View
B+
Retailer 9
-
HK$67,991 HKD
$8,666 USD
View
B+
Retailer 10
-
HK$82,771 HKD
£8,307 GBP
View
B+
Retailer 11
-
HK$92,315 HKD
ZAR 190,085 ZAR
View
Retailer 12
-
HK$107,015 HKD
$13,640 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
RLZS7Q6 · Oct 31
HK$141,782 HKD
$18,071 USD
View
12 more retailers have this diamond
Prices start from HK$28,276 HKDSave up to HK$113,506 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$28,276 HKD