CaratHunter
Plans
Round|Lab Grown|IGI

1.39ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG668409676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668409676

Diamond specifications and retailer prices

From £134 GBP
$179 USD
As of November 1, 2026
Save £710 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £843 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668409676 or 668409676. Listed at 17 retailers as of October 31, 2026, with prices from £134 to £843, a £710 spread on the same certified stone. Brilliant Earth lists it at £843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409676
Dimensions7.10 × 7.07 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.10 mm7.07 mm1.39 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409676
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: Nov 1
Current: £843 GBP|Low: £130 GBP|High: £911 GBP|Avg: £391 GBP|-7.4%
Brilliant Earth
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
Retailer 17
November 1, 2026
Retailer 10£134 GBP
Retailer 9£152 GBP
Retailer 3£155 GBP
Retailer 13£166 GBP
Retailer 8£169 GBP
Retailer 2£286 GBP
Retailer 4£293 GBP
Retailer 12£310 GBP
Retailer 17£356 GBP
Retailer 16£380 GBP
Retailer 7£409 GBP
Retailer 6£422 GBP
Retailer 14£533 GBP
Retailer 15£563 GBP
Retailer 5£573 GBP
Retailer 11£775 GBP
Brilliant Earth£843 GBP

34 data points across 17 retailers

17 retailers£134 GBP to £843 GBP

A
Cheapest Retailer
-
£134 GBP
$179 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$208 USD
View
A
Retailer 4
-
£166 GBP
$222 USD
View
Retailer 5
-
£169 GBP
$227 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£286 GBP
ZAR 6,194 ZAR
View
B+
Retailer 7
-
£293 GBP
$393 USD
View
A
Retailer 8
-
£310 GBP
€396 EUR
View
A
Retailer 9
-
£356 GBP
$477 USD
View
A
Retailer 10
-
£380 GBP
$509 USD
View
A
Retailer 11
-
£409 GBP
A$843 AUD
View
A
Retailer 12
-
£422 GBP
$565 USD
View
A
Retailer 13
-
£533 GBP
$714 USD
View
B+
Retailer 14
-
£563 GBP
$754 USD
View
B+
Retailer 15
-
£573 GBP
$768 USD
View
B+
Retailer 16
-
£775 GBP
View
Most Expensive
B+
Brilliant Earth
13160594A · Oct 31
£843 GBP
$1,130 USD
View
16 more retailers have this diamond
Prices start from £134 GBPSave up to £710 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
1.39ct Round
£134 GBP