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Round|Lab Grown|IGI

3.70ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG636488668

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636488668

Diamond specifications and retailer prices

From £325 GBP
$436 USD
As of October 29, 2026
Save £1,164 GBP (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,019 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG636488668 or 636488668. Listed at 20 retailers as of October 29, 2026, with a 358% 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

3.70
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636488668
Dimensions9.98 × 9.92 × 6.12 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
9.98 mm9.92 mm3.70 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636488668
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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: £2,019 GBP|Low: £259 GBP|High: £2,277 GBP|Avg: £928 GBP|-11.3%
Rare Carat
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 15£325 GBP
Retailer 5£363 GBP
Retailer 3£403 GBP
Retailer 16£403 GBP
Retailer 9£473 GBP
Retailer 13£511 GBP
Retailer 2£633 GBP
Retailer 4£647 GBP
Retailer 10£851 GBP
Retailer 12£875 GBP
Retailer 6£1,005 GBP
Retailer 14£1,131 GBP
Retailer 8£1,320 GBP
Retailer 7£1,452 GBP
Retailer 11£1,489 GBP
Rare Carat£2,019 GBP

31 data points across 16 retailers

20 retailers£325 GBP to £1,489 GBP

Retailer 1
-
£325 GBP
$436 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£325 GBP
$436 USD
View
A
Retailer 3
-
£363 GBP
$487 USD
View
Final sale: no returns
A
Retailer 4
-
£364 GBP
$488 USD
View
A
Retailer 5
-
£364 GBP
$488 USD
View
A
Retailer 6
-
£403 GBP
$540 USD
View
A
Retailer 7
-
£403 GBP
$540 USD
View
A
Retailer 8
-
£473 GBP
View
A
Retailer 9
-
£511 GBP
$685 USD
View
B+
Retailer 10
-
£633 GBP
$848 USD
View
A
Retailer 11
-
£647 GBP
$867 USD
View
A
Retailer 12
-
£851 GBP
A$1,755 AUD
View
A
Retailer 13
-
£875 GBP
ZAR 18,941 ZAR
View
B+
Retailer 14
-
£1,005 GBP
$1,347 USD
View
B+
Retailer 15
-
£1,131 GBP
$1,515 USD
View
B+
Retailer 16
-
£1,296 GBP
$1,736 USD
View
B+
Retailer 17
-
£1,320 GBP
$1,768 USD
View
B
Retailer 18
-
£1,452 GBP
$1,945 USD
View
B+
Retailer 19
-
£1,489 GBP
View
Most Expensive
Rare Carat
HK-188_l_636488668 · Oct 18
£2,019 GBP
$2,705 USD
View
Price last confirmed 12 days ago
19 more retailers have this diamond
Prices start from £325 GBPSave up to £1,164 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
3.70ct Round
£325 GBP