Round|Lab Grown|IGI

0.70ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG687515051

Certificate IGI LG687515051

Diamond specifications and retailer prices

From £410 GBP
₹52,327 INR
As of October 30, 2026
Save £310 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £720 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 0.7ct lab-grown round diamond

This 0.7ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687515051 or 687515051. Listed at 2 retailers as of October 29, 2026, with prices from £410 to £720, a £310 spread on the same certified stone. Yorxs lists it at £720. 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

0.70
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG687515051
Dimensions5.65 × 5.68 × 3.47 mm
L/W Ratio1.01
Top View
5.65 mm5.68 mm0.70 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687515051
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £410 GBP|Low: £408 GBP|High: £720 GBP|Avg: £583 GBP|-2.8%
Retailer 1
Retailer 2
Yorxs
October 30, 2026
Retailer 1£410 GBP
Retailer 2£625 GBP
Yorxs£720 GBP

44 data points across 3 retailers

2 retailers£410 GBP to £720 GBP

B+
Cheapest Retailer
-
£410 GBP
₹52,327 INR
Most Expensive
B
Yorxs
241656 · Oct 29
£720 GBP
€919 EUR
View
1 more retailer has this diamond
Prices start from £410 GBPSave up to £310 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.

B+
0.70ct Round
£410 GBP