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Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771629831

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771629831

Diamond specifications and retailer prices

From HK$19,740 HKD
$2,516 USD
As of October 27, 2026
Save HK$70,957 HKD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$124,815 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct 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 LG771629831 or 771629831. Listed at 20 retailers as of October 27, 2026, with a 359% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771629831
Dimensions15.19 × 7.33 × 4.69 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.19 mm7.33 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771629831
Side View
Table 54.0%Crown 34.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 64.0%

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 27
Current: HK$124,815 HKD|Low: HK$19,740 HKD|High: HK$128,293 HKD|Avg: HK$50,340 HKD|-2.3%
Novita 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 28, 2026
Retailer 14HK$19,740 HKD
Retailer 5HK$22,101 HKD
Retailer 4HK$22,902 HKD
Retailer 18HK$23,749 HKD
Retailer 17HK$25,852 HKD
Retailer 12HK$26,008 HKD
Retailer 15HK$26,008 HKD
Retailer 2HK$30,731 HKD
Retailer 6HK$31,477 HKD
Retailer 16HK$32,717 HKD
Retailer 20HK$33,603 HKD
Retailer 3HK$43,403 HKD
Retailer 8HK$48,711 HKD
Retailer 13HK$61,134 HKD
Retailer 7HK$61,388 HKD
Retailer 10HK$62,711 HKD
Retailer 9HK$64,113 HKD
Retailer 19HK$79,894 HKD
Retailer 11HK$90,696 HKD
Novita DiamondsHK$124,815 HKD

38 data points across 20 retailers

20 retailersHK$19,740 HKD to HK$90,696 HKD

A
Cheapest Retailer
-
HK$19,740 HKD
$2,516 USD
A
Retailer 2
-
HK$22,902 HKD
$2,919 USD
View
A
Retailer 3
-
HK$23,749 HKD
$3,027 USD
View
A
Retailer 4
-
HK$25,852 HKD
$3,295 USD
View
A
Retailer 5
-
HK$26,008 HKD
$3,315 USD
View
Retailer 6
-
HK$26,008 HKD
$3,315 USD
View
Price last confirmed 7 days ago
Retailer 7
-
HK$27,727 HKD
$3,534 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
HK$30,731 HKD
£3,084 GBP
View
Retailer 9
-
HK$31,477 HKD
$4,012 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
HK$32,717 HKD
$4,170 USD
View
A
Retailer 11
-
HK$33,603 HKD
$4,283 USD
View
A
Retailer 12
-
HK$43,403 HKD
£4,356 GBP
View
Retailer 13
-
HK$48,711 HKD
€5,913 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
HK$61,134 HKD
$7,792 USD
View
B+
Retailer 15
-
HK$61,388 HKD
£6,161 GBP
View
Retailer 16
-
HK$62,711 HKD
A$12,297 AUD
View
Price last confirmed 10 days ago
Retailer 17
-
HK$64,113 HKD
ZAR 132,016 ZAR
View
Price last confirmed 7 days ago
B
Retailer 18
-
HK$79,894 HKD
$10,183 USD
View
B
Retailer 19
-
HK$90,696 HKD
$11,560 USD
View
Most Expensive
Novita Diamonds
cert_771629831 · Oct 8
HK$124,815 HKD
A$24,475 AUD
View
Price last confirmed 23 days ago
19 more retailers have this diamond
Prices start from HK$19,740 HKDSave up to HK$70,957 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
3.00ct Marquise
HK$19,740 HKD