CaratHunter
Plans
Marquise|Lab Grown|IGI

3.17ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780662179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662179

Diamond specifications and retailer prices

From HK$28,331 HKD
$3,611 USD
As of October 30, 2026
Save HK$166,635 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$194,966 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG780662179 or 780662179. Listed at 15 retailers as of October 30, 2026, with prices from HK$28,331 to HK$194,966, a HK$166,635 spread on the same certified stone. Do Amore Diamonds lists it at HK$194,966. 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

3.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662179
Dimensions14.40 × 7.57 × 4.92 mm
L/W Ratio1.90
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
14.40 mm7.57 mm3.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662179
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 65.0%

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 30
Current: HK$194,966 HKD|Low: HK$28,331 HKD|High: HK$224,465 HKD|Avg: HK$68,005 HKD|-13.1%
Do Amore Diamonds
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 10HK$28,331 HKD
Retailer 11HK$29,735 HKD
Retailer 8HK$30,967 HKD
Retailer 5HK$31,116 HKD
Retailer 13HK$34,090 HKD
Retailer 7HK$38,350 HKD
Retailer 2HK$44,446 HKD
Retailer 3HK$45,332 HKD
Retailer 4HK$51,429 HKD
Retailer 6HK$60,726 HKD
Retailer 12HK$62,213 HKD
Retailer 9HK$68,493 HKD
Retailer 14HK$78,128 HKD
Retailer 15HK$90,091 HKD
Do Amore DiamondsHK$194,966 HKD

32 data points across 15 retailers

15 retailersHK$28,331 HKD to HK$194,966 HKD

A
Cheapest Retailer
-
HK$28,331 HKD
$3,611 USD
A
Retailer 2
-
HK$29,735 HKD
$3,790 USD
View
A
Retailer 3
-
HK$30,967 HKD
$3,947 USD
View
A
Retailer 4
-
HK$31,116 HKD
$3,966 USD
View
A
Retailer 5
-
HK$34,090 HKD
$4,345 USD
View
A
Retailer 6
-
HK$38,350 HKD
$4,888 USD
View
Final sale: no returns
A
Retailer 7
-
HK$44,446 HKD
$5,665 USD
View
A
Retailer 8
-
HK$45,332 HKD
$5,778 USD
View
B+
Retailer 9
-
HK$51,429 HKD
$6,555 USD
View
Retailer 10
-
HK$60,726 HKD
$7,740 USD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
HK$62,213 HKD
€7,552 EUR
View
B+
Retailer 12
-
HK$68,493 HKD
$8,730 USD
View
B+
Retailer 13
-
HK$78,128 HKD
£7,841 GBP
View
B+
Retailer 14
-
HK$90,091 HKD
$11,483 USD
View
Most Expensive
B
Do Amore Diamonds
27-6A663F7B3 · Oct 31
HK$194,966 HKD
$24,850 USD
View
14 more retailers have this diamond
Prices start from HK$28,331 HKDSave up to HK$166,635 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
3.17ct Marquise
HK$28,331 HKD