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Cushion|Lab Grown|IGI

5.55ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG817651491

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817651491

Diamond specifications and retailer prices

From HK$18,539 HKD
$2,363 USD
As of October 31, 2026
Save HK$52,072 HKD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$74,142 HKD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 5.55ct lab-grown cushion diamond

This 5.55ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817651491 or 817651491. Listed at 22 retailers as of October 30, 2026, with a 281% 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

5.55
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817651491
Dimensions12.00 × 8.92 × 5.85 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm8.92 mm5.55 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817651491
Side View
Table 65.0%Crown 36.8°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 65.6%

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$70,611 HKD|Low: HK$19,214 HKD|High: HK$72,730 HKD|Avg: HK$40,002 HKD|-2.9%
Brilliant Earth
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
October 31, 2026
Retailer 5HK$19,214 HKD
Retailer 13HK$20,517 HKD
Retailer 7HK$20,519 HKD
Retailer 2HK$26,437 HKD
Retailer 12HK$28,143 HKD
Retailer 4HK$30,033 HKD
Retailer 8HK$30,596 HKD
Retailer 10HK$38,997 HKD
Retailer 14HK$47,626 HKD
Retailer 3HK$49,601 HKD
Retailer 11HK$49,703 HKD
Retailer 9HK$52,401 HKD
Retailer 6HK$64,247 HKD
Brilliant EarthHK$70,611 HKD

38 data points across 14 retailers

22 retailersHK$18,539 HKD to HK$70,611 HKD

A
Cheapest Retailer
-
HK$18,539 HKD
$2,363 USD
Final sale: no returns
Retailer 2
-
HK$19,214 HKD
$2,449 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
HK$20,517 HKD
$2,615 USD
View
A
Retailer 4
-
HK$20,519 HKD
£2,059 GBP
View
A
Retailer 5
-
HK$21,529 HKD
$2,744 USD
View
A
Retailer 6
-
HK$26,437 HKD
£2,653 GBP
View
B+
Retailer 7
-
HK$28,143 HKD
$3,587 USD
View
B+
Retailer 8
-
HK$30,033 HKD
$3,828 USD
View
B+
Retailer 9
-
HK$30,596 HKD
€3,714 EUR
View
B+
Retailer 10
-
HK$31,838 HKD
$4,058 USD
View
B+
Retailer 11
-
HK$36,468 HKD
£3,660 GBP
View
Retailer 12
-
HK$38,997 HKD
A$7,647 AUD
View
Price last confirmed 8 days ago
Retailer 13
-
HK$47,626 HKD
A$9,339 AUD
View
Price last confirmed 26 days ago
B
Retailer 14
-
HK$49,601 HKD
$6,322 USD
View
Retailer 15
-
HK$49,703 HKD
$6,335 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
HK$51,758 HKD
$6,597 USD
View
B
Retailer 17
-
HK$52,401 HKD
£5,259 GBP
View
B
Retailer 18
-
HK$54,543 HKD
$6,952 USD
View
B
Retailer 19
-
HK$64,247 HKD
SGD 11,066 SGD
View
B
Retailer 20
-
HK$67,177 HKD
$8,562 USD
View
B
Retailer 21
-
HK$70,611 HKD
$9,000 USD
View
Most Expensive
Brilliant Earth
20999304A · Sep 23
HK$74,142 HKD
$9,450 USD
View
Price last confirmed 37 days ago
21 more retailers have this diamond
Prices start from HK$18,539 HKDSave up to HK$52,072 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
5.55ct Cushion
HK$18,539 HKD