CaratHunter
Plans
Heart|Lab Grown|IGI

15.07ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG689542395

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG689542395

Diamond specifications and retailer prices

From £5,029 GBP
$6,749 USD
As of November 2, 2026
Save £13,213 GBP (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £18,242 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.07ct lab-grown heart diamond

This 15.07ct lab-grown heart 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 LG689542395 or 689542395. Listed at 11 retailers as of November 2, 2026, with prices from £5,029 to £18,242, a £13,213 spread on the same certified stone. Brilliant Earth lists it at £18,242. 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

15.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689542395
Dimensions16.89 × 15.03 × 10.18 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.89 mm15.03 mm15.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689542395
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 60.3%

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: Nov 2
Current: £18,242 GBP|Low: £5,029 GBP|High: £22,313 GBP|Avg: £10,100 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 10£5,029 GBP
Retailer 8£5,172 GBP
Retailer 5£5,815 GBP
Retailer 2£6,412 GBP
Retailer 4£6,596 GBP
Retailer 3£6,647 GBP
Retailer 9£8,002 GBP
Retailer 7£8,178 GBP
Retailer 6£9,880 GBP
Retailer 11£10,582 GBP
Retailer 12£18,048 GBP
Brilliant Earth£18,242 GBP

33 data points across 12 retailers

11 retailers£5,029 GBP to £18,242 GBP

A
Cheapest Retailer
-
£5,029 GBP
$6,749 USD
A
Retailer 2
-
£5,172 GBP
$6,940 USD
View
A
Retailer 3
-
£5,815 GBP
$7,804 USD
View
B+
Retailer 4
-
£6,412 GBP
View
B+
Retailer 5
-
£6,596 GBP
$8,852 USD
View
Final sale: no returns
B+
Retailer 6
-
£8,002 GBP
ZAR 173,469 ZAR
View
B+
Retailer 7
-
£8,178 GBP
$10,975 USD
View
B
Retailer 8
-
£9,880 GBP
A$20,397 AUD
View
B
Retailer 9
-
£10,582 GBP
$14,201 USD
View
B
Retailer 10
-
£18,048 GBP
$24,220 USD
View
Most Expensive
B
Brilliant Earth
15380288A · Nov 2
£18,242 GBP
$24,480 USD
View
10 more retailers have this diamond
Prices start from £5,029 GBPSave up to £13,213 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
15.07ct Heart
£5,029 GBP