Heart|Lab Grown|IGI

0.91ct J SI1 Heart Lab Grown Diamond

VG • J/SI1 • IGI LG569312460

Certificate IGI LG569312460

Diamond specifications and retailer prices

From €946 EUR
₹100,659 INR
As of November 1, 2026
Save €692 EUR (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,638 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG569312460 or 569312460. Listed at 2 retailers as of November 1, 2026, with prices from €946 to €1,638, a €692 spread on the same certified stone. 77 Diamonds lists it at €1,638. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG569312460
Dimensions5.50 × 6.55 × 4.08 mm
L/W Ratio1.19
Top View
5.50 mm6.55 mm0.91 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569312460
Side View
Table 56.5%CrownGirdle: Very ThickPavilionCuletDepth 62.3%

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: Nov 1
Current: €1,638 EUR|Low: €944 EUR|High: €1,640 EUR|Avg: €1,294 EUR|+2.3%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€946 EUR
Retailer 3€1,293 EUR
77 Diamonds€1,638 EUR

44 data points across 3 retailers

2 retailers€946 EUR to €1,638 EUR

B+
Cheapest Retailer
-
€946 EUR
₹100,659 INR
Most Expensive
B
77 Diamonds
HSCPA3WSN4N8 · Nov 1
€1,638 EUR
£1,441 GBP
View
1 more retailer has this diamond
Prices start from €946 EURSave up to €692 EUR

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+
0.91ct Heart
€946 EUR