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Round|Lab Grown|IGI

3.56ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG510183409

Shape and cutting style on the report: Round brilliant

Certificate IGI LG510183409

Diamond specifications and retailer prices

From £474 GBP
$635 USD
As of October 29, 2026
Save £2,899 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,373 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510183409 or 510183409. Listed at 20 retailers as of October 29, 2026, with prices from £474 to £3,373, a £2,899 spread on the same certified stone. Do Amore Diamonds lists it at £3,373. 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

3.56
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510183409
Dimensions9.76 × 9.70 × 6.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Blue 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
9.76 mm9.70 mm3.56 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510183409
Side View
Table 55.5%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,373 GBP|Low: £474 GBP|High: £3,373 GBP|Avg: £1,268 GBP
Do Amore 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
October 30, 2026
Retailer 5£474 GBP
Retailer 11£575 GBP
Retailer 4£631 GBP
Retailer 7£650 GBP
Retailer 3£697 GBP
Retailer 14£735 GBP
Retailer 9£799 GBP
Retailer 2£1,098 GBP
Retailer 10£1,129 GBP
Retailer 13£1,216 GBP
Retailer 6£1,228 GBP
Retailer 8£1,773 GBP
Retailer 16£1,884 GBP
Retailer 15£2,030 GBP
Retailer 12£2,260 GBP
Do Amore Diamonds£3,373 GBP

34 data points across 16 retailers

20 retailers£474 GBP to £3,373 GBP

Retailer 1
-
£380 GBP
$509 USD
Price last confirmed 32 days ago
Retailer 2
-
£425 GBP
$570 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£465 GBP
$623 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
£474 GBP
$635 USD
View
Final sale: no returns
A
Retailer 5
-
£575 GBP
$770 USD
View
A
Retailer 6
-
£631 GBP
$845 USD
View
A
Retailer 7
-
£650 GBP
HK$6,800 HKD
View
A
Retailer 8
-
£697 GBP
$934 USD
View
B+
Retailer 9
-
£735 GBP
$985 USD
View
A
Retailer 10
-
£799 GBP
€1,019 EUR
View
B+
Retailer 11
-
£1,098 GBP
A$2,263 AUD
View
B+
Retailer 12
-
£1,129 GBP
ZAR 24,441 ZAR
View
B+
Retailer 13
-
£1,216 GBP
$1,629 USD
View
B+
Retailer 14
-
£1,228 GBP
$1,645 USD
View
Retailer 15
-
£1,367 GBP
$1,832 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
£1,773 GBP
$2,375 USD
View
B
Retailer 17
-
£1,884 GBP
SGD 3,411 SGD
View
B
Retailer 18
-
£2,030 GBP
$2,720 USD
View
B
Retailer 19
-
£2,260 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6930CA2BC · Oct 29
£3,373 GBP
$4,520 USD
View
19 more retailers have this diamond
Prices start from £474 GBPSave up to £2,899 GBP

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
3.56ct Round
£474 GBP