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Marquise|Lab Grown|IGI

2.99ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG799658135

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799658135

Diamond specifications and retailer prices

From HK$18,987 HKD
$2,420 USD
As of October 30, 2026
Save HK$52,221 HKD (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$91,606 HKD at Novita Diamonds · As of October 20, 2026
View at Novita Diamonds

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799658135 or 799658135. Listed at 22 retailers as of October 30, 2026, with a 275% 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

2.99
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799658135
Dimensions16.72 × 7.30 × 4.25 mm
L/W Ratio2.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.72 mm7.30 mm2.99 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799658135
Side View
Table 58.0%Crown 31°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.2%

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$91,606 HKD|Low: HK$17,567 HKD|High: HK$93,794 HKD|Avg: HK$41,174 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
Retailer 21
October 31, 2026
Retailer 16HK$18,987 HKD
Retailer 4HK$19,112 HKD
Retailer 9HK$19,669 HKD
Retailer 18HK$20,375 HKD
Retailer 7HK$21,654 HKD
Retailer 21HK$21,788 HKD
Retailer 3HK$28,009 HKD
Retailer 6HK$30,229 HKD
Retailer 2HK$30,332 HKD
Retailer 19HK$31,790 HKD
Retailer 15HK$31,940 HKD
Retailer 12HK$32,638 HKD
Retailer 13HK$41,729 HKD
Retailer 14HK$49,437 HKD
Retailer 17HK$52,581 HKD
Retailer 8HK$54,410 HKD
Retailer 20HK$55,589 HKD
Retailer 5HK$60,419 HKD
Retailer 10HK$68,172 HKD
Retailer 11HK$71,207 HKD
Novita DiamondsHK$91,606 HKD

31 data points across 21 retailers

22 retailersHK$18,987 HKD to HK$71,207 HKD

A
Cheapest Retailer
-
HK$18,987 HKD
$2,420 USD
A
Retailer 2
-
HK$19,112 HKD
$2,436 USD
View
A
Retailer 3
-
HK$19,669 HKD
$2,507 USD
View
Final sale: no returns
A
Retailer 4
-
HK$20,375 HKD
$2,597 USD
View
A
Retailer 5
-
HK$21,654 HKD
$2,760 USD
View
A
Retailer 6
-
HK$21,788 HKD
$2,777 USD
View
Retailer 7
-
HK$22,847 HKD
$2,912 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
HK$28,009 HKD
$3,570 USD
View
A
Retailer 9
-
HK$30,229 HKD
$3,853 USD
View
A
Retailer 10
-
HK$30,332 HKD
£3,044 GBP
View
A
Retailer 11
-
HK$31,790 HKD
€3,859 EUR
View
A
Retailer 12
-
HK$31,940 HKD
$4,071 USD
View
A
Retailer 13
-
HK$32,638 HKD
$4,160 USD
View
B+
Retailer 14
-
HK$41,729 HKD
£4,188 GBP
View
Retailer 15
-
HK$49,437 HKD
A$9,694 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
HK$52,581 HKD
ZAR 108,270 ZAR
View
B+
Retailer 17
-
HK$54,410 HKD
$6,935 USD
View
B+
Retailer 18
-
HK$55,589 HKD
£5,579 GBP
View
B+
Retailer 19
-
HK$60,419 HKD
$7,701 USD
View
B+
Retailer 20
-
HK$68,172 HKD
SGD 11,742 SGD
View
B
Retailer 21
-
HK$71,207 HKD
$9,076 USD
View
Most Expensive
Novita Diamonds
cert_799658135 · Oct 8
HK$91,606 HKD
A$17,963 AUD
View
Price last confirmed 11 days ago
21 more retailers have this diamond
Prices start from HK$18,987 HKDSave up to HK$52,221 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
2.99ct Marquise
HK$18,987 HKD