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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG781631509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631509

Diamond specifications and retailer prices

From €170 EUR
$190 USD
As of October 29, 2026
Save €826 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €996 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781631509 or 781631509. Listed at 19 retailers as of October 29, 2026, with prices from €170 to €996, a €826 spread on the same certified stone. MOH London lists it at €996. 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

1.53
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631509
Dimensions7.50 × 7.47 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm7.47 mm1.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631509
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €996 EUR|Low: €167 EUR|High: €1,021 EUR|Avg: €487 EUR|-1.2%
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
Retailer 16
October 31, 2026
Retailer 4€170 EUR
Retailer 14€189 EUR
Retailer 13€197 EUR
Retailer 2€210 EUR
Retailer 5€212 EUR
Retailer 15€370 EUR
Retailer 9€382 EUR
Retailer 6€414 EUR
Retailer 12€509 EUR
Retailer 11€541 EUR
Retailer 7€644 EUR
Retailer 10€677 EUR
Retailer 16€687 EUR
Retailer 3€725 EUR
Retailer 8€779 EUR
MOH London€996 EUR

33 data points across 16 retailers

19 retailers€170 EUR to €996 EUR

A
Cheapest Retailer
-
€170 EUR
$190 USD
Retailer 2
-
€170 EUR
$190 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
€189 EUR
$211 USD
View
Final sale: no returns
A
Retailer 4
-
€197 EUR
$220 USD
View
Retailer 5
-
€208 EUR
$232 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
€210 EUR
$235 USD
View
A
Retailer 7
-
€212 EUR
$237 USD
View
B+
Retailer 8
-
€370 EUR
$413 USD
View
A
Retailer 9
-
€382 EUR
£336 GBP
View
A
Retailer 10
-
€414 EUR
$462 USD
View
B+
Retailer 11
-
€509 EUR
$569 USD
View
B+
Retailer 12
-
€541 EUR
$604 USD
View
Retailer 13
-
€644 EUR
$720 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
€677 EUR
$756 USD
View
Retailer 15
-
€677 EUR
$756 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
€687 EUR
SGD 1,037 SGD
View
B+
Retailer 17
-
€725 EUR
$810 USD
View
B
Retailer 18
-
€779 EUR
$870 USD
View
Most Expensive
B
MOH London
LG781631509 · Oct 29
€996 EUR
£876 GBP
View
18 more retailers have this diamond
Prices start from €170 EURSave up to €826 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
1.53ct Round
€170 EUR