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Heart|Lab Grown|GIA

3.07ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • GIA 6452213825

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 6452213825

Diamond specifications and retailer prices

From £734 GBP
As of November 6, 2026
Save £2,758 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,492 GBP at Riddles Jewelry · As of November 6, 2026
View at Riddles Jewelry

About this 3.07ct lab-grown heart diamond

This 3.07ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452213825. Listed at 14 retailers as of November 6, 2026, with prices from £734 to £3,492, a £2,758 spread on the same certified stone. Riddles Jewelry lists it at £3,492. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6452213825
Dimensions8.70 × 8.50 × 5.52 mm
L/W Ratio1.02
Top View
8.70 mm8.50 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452213825
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.0%

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 6
Current: £1,242 GBP|Low: £690 GBP|High: £5,686 GBP|Avg: £1,898 GBP|+5.0%
Retailer 1
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
Riddles Jewelry
November 6, 2026
Retailer 9£724 GBP
Retailer 8£734 GBP
Retailer 2£815 GBP
Retailer 13£818 GBP
Retailer 10£1,173 GBP
Retailer 12£1,198 GBP
Retailer 1£1,242 GBP
Retailer 4£1,376 GBP
Retailer 15£1,396 GBP
Retailer 3£1,998 GBP
Retailer 16£2,059 GBP
Retailer 6£2,143 GBP
Retailer 5£2,151 GBP
Retailer 11£2,421 GBP
Retailer 14£2,782 GBP
Retailer 7£2,919 GBP
Riddles Jewelry£3,492 GBP
Retailer 17£5,043 GBP

30 data points across 18 retailers

14 retailers£734 GBP to £3,492 GBP

Retailer 1
-
£724 GBP
Price last confirmed 25 days ago
A
Retailer 2
-
£734 GBP
View
Final sale: no returns
Retailer 3
-
£815 GBP
View
B+
Retailer 4
-
£1,173 GBP
View
B+
Retailer 5
-
£1,198 GBP
View
B+
Retailer 6
-
£1,242 GBP
View
Retailer 7
-
£1,396 GBP
View
Price last confirmed 14 days ago
Retailer 8
-
£1,998 GBP
View
Price last confirmed 13 days ago
B
Retailer 9
-
£2,143 GBP
View
B
Retailer 10
-
£2,151 GBP
View
B
Retailer 11
-
£2,421 GBP
View
Retailer 12
-
£2,782 GBP
View
Price last confirmed 12 days ago
Retailer 13
-
£2,919 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Riddles Jewelry
2000202345 · Nov 6
£3,492 GBP
$4,674 USD
View
13 more retailers have this diamond
Prices start from £734 GBPSave up to £2,758 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
3.07ct Heart
£734 GBP