CaratHunter
Plans
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 $195 NZD
$110 USD
As of October 30, 2026
Save $1,831 NZD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,026 NZD at MOH London · As of October 29, 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 29, 2026, with prices from $195 to $2,026, a $1,831 spread on the same certified stone. MOH London lists it at $2,026. 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: $2,026 NZD|Low: $195 NZD|High: $2,026 NZD|Avg: $673 NZD
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
October 31, 2026
Retailer 4$195 NZD
Retailer 15$225 NZD
Retailer 10$257 NZD
Retailer 3$295 NZD
Retailer 2$445 NZD
Retailer 14$481 NZD
Retailer 8$483 NZD
Retailer 13$526 NZD
Retailer 11$667 NZD
Retailer 7$745 NZD
Retailer 12$775 NZD
Retailer 9$864 NZD
Retailer 6$1,104 NZD
Retailer 5$1,260 NZD
MOH London$2,026 NZD

5 data points across 15 retailers

12 retailers$195 NZD to $2,026 NZD

A
Cheapest Retailer
-
$195 NZD
$110 USD
A
Retailer 2
-
$225 NZD
$127 USD
View
A
Retailer 3
-
$257 NZD
$145 USD
View
A
Retailer 4
-
$295 NZD
HK$1,300 HKD
View
B+
Retailer 5
-
$445 NZD
€239 EUR
View
B+
Retailer 6
-
$481 NZD
$271 USD
View
B+
Retailer 7
-
$483 NZD
£214 GBP
View
B+
Retailer 8
-
$526 NZD
£233 GBP
View
B+
Retailer 9
-
$667 NZD
$376 USD
View
B
Retailer 10
-
$775 NZD
$437 USD
View
B
Retailer 11
-
$864 NZD
$487 USD
View
Most Expensive
B
MOH London
LG700587860 · Oct 29
$2,026 NZD
£899 GBP
View
11 more retailers have this diamond
Prices start from $195 NZDSave up to $1,831 NZD

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
$195 NZD