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Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG831657892

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831657892

Diamond specifications and retailer prices

From €882 EUR
HK$7,700 HKD
As of October 31, 2026
Save €1,667 EUR (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,871 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831657892 or 831657892. Listed at 9 retailers as of October 31, 2026, with a 189% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831657892
Dimensions11.24 × 11.33 × 6.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm11.33 mm5.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831657892
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: €3,871 EUR|Low: €882 EUR|High: €3,925 EUR|Avg: €1,837 EUR|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€882 EUR
Retailer 6€1,109 EUR
Retailer 2€1,172 EUR
Retailer 7€1,201 EUR
Retailer 3€1,249 EUR
Retailer 8€1,892 EUR
Retailer 9€2,549 EUR
Retailer 5€2,919 EUR
Rare Carat€3,871 EUR

36 data points across 9 retailers

9 retailers€882 EUR to €2,549 EUR

A
Cheapest Retailer
-
€882 EUR
HK$7,700 HKD
Retailer 2
-
€1,109 EUR
$1,239 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€1,172 EUR
£1,031 GBP
View
Retailer 4
-
€1,201 EUR
$1,342 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€1,249 EUR
View
Price last confirmed 7 days ago
Retailer 6
-
€1,892 EUR
$2,114 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
€2,549 EUR
$2,848 USD
View
Retailer 8
-
€2,919 EUR
£2,568 GBP
View
Price last confirmed 10 days ago
Most Expensive
Rare Carat
KI8926578KF831 · Oct 21
€3,871 EUR
$4,325 USD
View
Price last confirmed 10 days ago
8 more retailers have this diamond
Prices start from €882 EURSave up to €1,667 EUR

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
5.51ct Round
€882 EUR