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Heart|Lab Grown|IGI

0.99ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG833632368

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG833632368

Diamond specifications and retailer prices

From €183 EUR
HK$1,600 HKD
As of October 30, 2026
Save €318 EUR (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €767 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833632368 or 833632368. Listed at 17 retailers as of October 30, 2026, with a 173% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.99
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833632368
Dimensions6.92 × 6.24 × 4.05 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.24 mm0.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833632368
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.5%

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: Oct 30
Current: €767 EUR|Low: €127 EUR|High: €782 EUR|Avg: €344 EUR|-1.0%
MOH London
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
October 31, 2026
Retailer 4€132 EUR
Retailer 3€148 EUR
Retailer 5€164 EUR
Retailer 13€183 EUR
Retailer 10€217 EUR
Retailer 6€235 EUR
Retailer 2€277 EUR
Retailer 11€282 EUR
Retailer 14€302 EUR
Retailer 12€352 EUR
Retailer 7€414 EUR
Retailer 9€446 EUR
Retailer 8€501 EUR
MOH London€767 EUR

41 data points across 14 retailers

17 retailers€183 EUR to €501 EUR

Retailer 1
-
€132 EUR
$148 USD
Price last confirmed 10 days ago
Retailer 2
-
€133 EUR
$149 USD
View
Price last confirmed 32 days ago
Retailer 3
-
€155 EUR
$173 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€163 EUR
$182 USD
View
Price last confirmed 34 days ago
Retailer 5
-
€164 EUR
$183 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
€183 EUR
HK$1,600 HKD
View
A
Retailer 7
-
€217 EUR
£191 GBP
View
A
Retailer 8
-
€235 EUR
$263 USD
View
A
Retailer 9
-
€277 EUR
View
B+
Retailer 10
-
€282 EUR
£248 GBP
View
B+
Retailer 11
-
€302 EUR
$337 USD
View
B+
Retailer 12
-
€352 EUR
£310 GBP
View
B
Retailer 13
-
€414 EUR
$462 USD
View
B
Retailer 14
-
€446 EUR
SGD 674 SGD
View
B
Retailer 15
-
€501 EUR
$560 USD
View
Retailer 16
-
€532 EUR
$594 USD
View
Price last confirmed 31 days ago
Most Expensive
MOH London
LG833632368 · Oct 25
€767 EUR
£675 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from €183 EURSave up to €318 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.

A
0.99ct Heart
€183 EUR