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Heart|Lab Grown|GCAL

1.70ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • GCAL 312790130

Shape and cutting style on the report: Heart brilliant

Certificate GCAL 312790130

Diamond specifications and retailer prices

From €1,039 EUR
$1,156 USD
As of October 27, 2026
Save €1,454 EUR (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,279 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.7ct lab-grown heart diamond

This 1.7ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 312790130. Listed at 12 retailers as of October 27, 2026, with a 140% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle42.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312790130
Dimensions8.34 × 7.07 × 4.98 mm
L/W Ratio1.18
Culet sizeNone
Top View
8.34 mm7.07 mm1.70 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 312790130
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 59.7%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: €4,279 EUR|Low: €653 EUR|High: €8,661 EUR|Avg: €2,880 EUR|-0.8%
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 29, 2026
Retailer 6€653 EUR
Retailer 12€1,039 EUR
Retailer 11€1,130 EUR
Retailer 2€1,205 EUR
Retailer 7€1,620 EUR
Retailer 5€1,716 EUR
Retailer 15€1,725 EUR
Retailer 14€2,043 EUR
Retailer 9€2,492 EUR
Retailer 8€3,243 EUR
Retailer 10€3,243 EUR
Retailer 3€3,409 EUR
MOH London€4,279 EUR
Retailer 13€4,719 EUR
Retailer 4€8,661 EUR

23 data points across 15 retailers

12 retailers€1,039 EUR to €2,492 EUR

B+
Cheapest Retailer
-
€1,039 EUR
$1,156 USD
B+
Retailer 2
-
€1,130 EUR
$1,258 USD
View
B+
Retailer 3
-
€1,205 EUR
$1,341 USD
View
B
Retailer 4
-
€1,716 EUR
$1,910 USD
View
B
Retailer 5
-
€2,043 EUR
A$3,498 AUD
View
B
Retailer 6
-
€2,492 EUR
$2,774 USD
View
B
Retailer 7
-
€3,243 EUR
$3,610 USD
View
Price under review
B
Retailer 8
-
€3,243 EUR
$3,610 USD
View
Price under review
B
Retailer 9
-
€3,409 EUR
CA$5,270 CAD
View
Price under review
Most Expensive
B
MOH London
312790130 · Oct 27
€4,279 EUR
£3,750 GBP
View
Price under review
9 more retailers have this diamond
Prices start from €1,039 EURSave up to €1,454 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+
1.70ct Heart
€1,039 EUR