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Heart|Lab Grown|IGI

0.78ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG700587860

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG700587860

Diamond specifications and retailer prices

From $157 AUD
$110 USD
As of October 30, 2026
Save $1,460 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,616 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.78ct lab-grown heart diamond

This 0.78ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700587860 or 700587860. Listed at 12 retailers as of October 30, 2026, with prices from $157 to $1,616, a $1,460 spread on the same certified stone. MOH London lists it at $1,616. 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

0.78
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700587860
Dimensions5.91 × 6.29 × 3.62 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm6.29 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700587860
Side View
Table 64.0%Crown 32.6°Girdle: THN-STKPavilion 40°Culet: NoneDepth 57.6%

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: $1,616 AUD|Low: $157 AUD|High: $1,625 AUD|Avg: $542 AUD|-0.6%
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
Retailer 15
November 1, 2026
Retailer 4$157 AUD
Retailer 15$181 AUD
Retailer 10$206 AUD
Retailer 3$237 AUD
Retailer 8$357 AUD
Retailer 2$384 AUD
Retailer 14$386 AUD
Retailer 13$422 AUD
Retailer 11$535 AUD
Retailer 7$598 AUD
Retailer 12$622 AUD
Retailer 9$693 AUD
Retailer 6$886 AUD
Retailer 5$1,011 AUD
MOH London$1,616 AUD

6 data points across 15 retailers

12 retailers$157 AUD to $1,616 AUD

A
Cheapest Retailer
-
$157 AUD
$110 USD
A
Retailer 2
-
$181 AUD
$127 USD
View
A
Retailer 3
-
$206 AUD
$145 USD
View
A
Retailer 4
-
$237 AUD
HK$1,300 HKD
View
B+
Retailer 5
-
$357 AUD
€239 EUR
View
B+
Retailer 6
-
$384 AUD
£212 GBP
View
B+
Retailer 7
-
$386 AUD
$271 USD
View
B+
Retailer 8
-
$422 AUD
£233 GBP
View
B+
Retailer 9
-
$535 AUD
$376 USD
View
B
Retailer 10
-
$622 AUD
$437 USD
View
B
Retailer 11
-
$693 AUD
$487 USD
View
Most Expensive
B
MOH London
LG700587860 · Nov 1
$1,616 AUD
£894 GBP
View
11 more retailers have this diamond
Prices start from $157 AUDSave up to $1,460 AUD

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
0.78ct Heart
$157 AUD