Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG723529346

Shape and cutting style on the report: Round brilliant

Certificate IGI LG723529346

Diamond specifications and retailer prices

From $1,180 USD
£929 GBP
As of October 26, 2026
Save $2,200 USD (65%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,381 USD at MOH London · As of October 26, 2026
View at MOH London

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 LG723529346 or 723529346. Listed at 24 retailers as of October 26, 2026, with prices from $1,180 to $3,381, a $2,200 spread on the same certified stone. MOH London lists it at $3,381. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723529346
Dimensions11.37 × 11.30 × 7.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm11.30 mm5.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723529346
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $3,381 USD|Low: $870 USD|High: $3,416 USD|Avg: $1,676 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 26, 2026
Retailer 3$870 USD
Retailer 10$901 USD
Retailer 2$1,180 USD
Retailer 5$1,353 USD
Retailer 4$1,371 USD
Retailer 6$1,450 USD
Retailer 12$1,455 USD
Retailer 7$1,813 USD
Retailer 8$1,836 USD
Retailer 9$2,142 USD
Retailer 11$3,045 USD
MOH London$3,381 USD

36 data points across 12 retailers

24 retailers$1,180 USD to $3,381 USD

Retailer 1
-
$745 USD
Price last confirmed 30 days ago
Retailer 2
-
$776 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$845 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$845 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$888 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$901 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$901 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$901 USD
View
Price last confirmed 29 days ago
Retailer 9
-
$901 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$1,180 USD
£929 GBP
View
A
Retailer 11
-
$1,353 USD
£1,066 GBP
View
A
Retailer 12
-
$1,371 USD
View
Retailer 13
-
$1,450 USD
View
Price last confirmed 5 days ago
Retailer 14
-
$1,455 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,813 USD
ZAR 29,288 ZAR
View
Price last confirmed 7 days ago
Retailer 16
-
$1,836 USD
A$2,825 AUD
View
Price last confirmed 11 days ago
B+
Retailer 17
-
$2,136 USD
View
B+
Retailer 18
-
$2,142 USD
View
Retailer 19
-
$2,532 USD
View
Price last confirmed 34 days ago
Retailer 20
-
$2,532 USD
View
Price last confirmed 32 days ago
Retailer 21
-
$2,532 USD
View
Price last confirmed 7 days ago
B
Retailer 22
-
$3,045 USD
View
B
Retailer 23
-
$3,112 USD
View
Most Expensive
B
MOH London
LG723529346 · Oct 26
$3,381 USD
£2,662 GBP
View
23 more retailers have this diamond
Prices start from $1,180 USDSave up to $2,200 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.51ct Round
$1,180 USD