CaratHunter
Plans
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 $190 USD
As of October 29, 2026
Save $923 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,113 USD 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 $190 to $1,113, a $923 spread on the same certified stone. MOH London lists it at $1,113. 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

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 29
Current: $1,113 USD|Low: $187 USD|High: $1,140 USD|Avg: $544 USD|-1.1%
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 3$190 USD
Retailer 12$211 USD
Retailer 11$220 USD
Retailer 4$237 USD
Retailer 6$237 USD
Retailer 13$413 USD
Retailer 15$426 USD
Retailer 5$462 USD
Retailer 10$569 USD
Retailer 9$604 USD
Retailer 7$720 USD
Retailer 2$756 USD
Retailer 14$767 USD
Retailer 16$810 USD
Retailer 8$870 USD
MOH London$1,113 USD

34 data points across 16 retailers

19 retailers$190 USD to $1,113 USD

A
Cheapest Retailer
-
$190 USD
Retailer 2
-
$190 USD
View
Price last confirmed 42 days ago
A
Retailer 3
-
$211 USD
View
Final sale: no returns
A
Retailer 4
-
$220 USD
View
Retailer 5
-
$232 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$237 USD
View
A
Retailer 7
-
$237 USD
View
B+
Retailer 8
-
$413 USD
View
A
Retailer 9
-
$426 USD
£336 GBP
View
A
Retailer 10
-
$462 USD
View
B+
Retailer 11
-
$569 USD
View
B+
Retailer 12
-
$604 USD
View
Retailer 13
-
$720 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$756 USD
View
Retailer 15
-
$756 USD
View
Price last confirmed 40 days ago
B+
Retailer 16
-
$767 USD
SGD 1,037 SGD
View
B+
Retailer 17
-
$810 USD
View
B
Retailer 18
-
$870 USD
View
Most Expensive
B
MOH London
LG781631509 · Oct 29
$1,113 USD
£876 GBP
View
18 more retailers have this diamond
Prices start from $190 USDSave up to $923 USD

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
$190 USD