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Marquise|Lab Grown|IGI

5.51ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG680563243

Certificate IGI LG680563243

Diamond specifications and retailer prices

From $846 USD
Save $2,092 USD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,285 USD at Rare Carat
View at Rare Carat

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG680563243 or 680563243. Listed at 11 retailers, with a 247% 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

5.51
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680563243
Dimensions18.40 × 9.43 × 5.66 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.40 mm9.43 mm5.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680563243
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $6,285 USD|Low: $846 USD|High: $6,285 USD|Avg: $2,430 USD|+1.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 1, 2026
Retailer 7$846 USD
Retailer 3$1,220 USD
Retailer 6$1,326 USD
Retailer 4$1,365 USD
Retailer 2$1,502 USD
Retailer 5$1,697 USD
Retailer 9$2,471 USD
Retailer 8$2,652 USD
Retailer 10$3,711 USD
Rare Carat$6,285 USD

37 data points across 10 retailers

11 retailers$846 USD to $2,938 USD

A
Cheapest Retailer
-
$846 USD
A
Retailer 2
-
$1,030 USD
View
B+
Retailer 3
-
$1,220 USD
View
A
Retailer 4
-
$1,326 USD
View
A
Retailer 5
-
$1,365 USD
£1,075 GBP
View
A
Retailer 6
-
$1,502 USD
€1,430 EUR
View
A
Retailer 7
-
$1,697 USD
ZAR 27,418 ZAR
View
B+
Retailer 8
-
$2,471 USD
View
B+
Retailer 9
-
$2,652 USD
£2,088 GBP
View
Price last confirmed 10 days ago
B
Retailer 10
-
$2,938 USD
View
Most Expensive
B
Rare Carat
1F680563243 · Sep 9
$6,285 USD
View
Price last confirmed 22 days ago
10 more retailers have this diamond
Prices start from $846 USDSave up to $2,092 USD

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.

A
5.51ct Marquise
$846 USD