Marquise|Lab Grown|IGI

4.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754595411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595411

Diamond specifications and retailer prices

From HK$130,545 HKD
$16,639 USD
As of November 1, 2026
Save HK$199,086 HKD (60%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$329,630 HKD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.26ct lab-grown marquise diamond

This 4.26ct 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 LG754595411 or 754595411. Listed at 29 retailers as of October 29, 2026, with prices from HK$130,545 to HK$329,630, a HK$199,086 spread on the same certified stone. Cape Diamonds lists it at HK$329,630. 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

4.26
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595411
Dimensions16.53 × 8.39 × 5.37 mm
L/W Ratio1.97
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
16.53 mm8.39 mm4.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595411
Side View
Table 60.0%Crown 36.5°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$329,630 HKD|Low: HK$126,567 HKD|High: HK$577,220 HKD|Avg: HK$246,409 HKD|+1.9%
Cape 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
November 2, 2026
Retailer 5HK$130,545 HKD
Retailer 17HK$133,495 HKD
Retailer 8HK$140,760 HKD
Retailer 9HK$141,780 HKD
Retailer 13HK$149,516 HKD
Retailer 16HK$154,780 HKD
Retailer 15HK$169,389 HKD
Retailer 2HK$170,994 HKD
Retailer 6HK$221,800 HKD
Retailer 11HK$243,242 HKD
Retailer 14HK$263,723 HKD
Retailer 12HK$268,255 HKD
Retailer 3HK$279,825 HKD
Cape DiamondsHK$329,630 HKD
Retailer 10HK$335,831 HKD
Retailer 7HK$432,356 HKD
Retailer 4HK$577,220 HKD

34 data points across 17 retailers

29 retailersHK$130,545 HKD to HK$329,630 HKD

Retailer 1
-
HK$93,992 HKD
$11,980 USD
Price last confirmed 84 days ago
B+
Retailer 2
-
HK$130,545 HKD
$16,639 USD
View
B+
Retailer 3
-
HK$133,495 HKD
$17,015 USD
View
Retailer 4
-
HK$133,495 HKD
$17,015 USD
View
Price last confirmed 24 days ago
Retailer 5
-
HK$133,495 HKD
$17,015 USD
View
Price last confirmed 33 days ago
Retailer 6
-
HK$136,703 HKD
$17,424 USD
View
Price last confirmed 34 days ago
B+
Retailer 7
-
HK$140,760 HKD
$17,941 USD
View
B+
Retailer 8
-
HK$141,780 HKD
$18,071 USD
View
B+
Retailer 9
-
HK$145,130 HKD
$18,498 USD
View
Retailer 10
-
HK$145,130 HKD
$18,498 USD
View
Price last confirmed 22 days ago
Retailer 11
-
HK$145,130 HKD
$18,498 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
HK$149,516 HKD
$19,057 USD
View
Final sale: no returns
Retailer 13
-
HK$152,717 HKD
$19,465 USD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
HK$154,780 HKD
$19,728 USD
View
Retailer 15
-
HK$154,858 HKD
$19,738 USD
View
Price last confirmed 30 days ago
Retailer 16
-
HK$154,858 HKD
$19,738 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
HK$169,389 HKD
$21,590 USD
View
B+
Retailer 18
-
HK$170,994 HKD
£17,161 GBP
View
B
Retailer 19
-
HK$221,800 HKD
£22,260 GBP
View
B
Retailer 20
-
HK$243,242 HKD
£24,412 GBP
View
B
Retailer 21
-
HK$263,723 HKD
€32,013 EUR
View
B
Retailer 22
-
HK$268,255 HKD
A$52,602 AUD
View
B
Retailer 23
-
HK$279,825 HKD
$35,666 USD
View
Most Expensive
B
Cape Diamonds
cert_754595411 · Oct 29
HK$329,630 HKD
ZAR 678,742 ZAR
View
23 more retailers have this diamond
Prices start from HK$130,545 HKDSave up to HK$199,086 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.

B+
4.26ct Marquise
HK$130,545 HKD