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Round|Lab Grown|IGI

1.60ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG788612129

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788612129

Diamond specifications and retailer prices

From $257 USD
As of October 29, 2026
Save $1,118 USD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,810 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788612129 or 788612129. Listed at 26 retailers as of October 28, 2026, with a 435% 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

1.60
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788612129
Dimensions7.53 × 7.56 × 4.59 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
7.53 mm7.56 mm1.60 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788612129
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: $1,810 USD|Low: $204 USD|High: $1,870 USD|Avg: $811 USD|-3.2%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 7$287 USD
Retailer 8$318 USD
Retailer 20$358 USD
Retailer 10$430 USD
Retailer 15$430 USD
Retailer 13$521 USD
Retailer 9$523 USD
Retailer 14$547 USD
Retailer 2$605 USD
Retailer 4$660 USD
Retailer 16$742 USD
Retailer 19$808 USD
Retailer 17$925 USD
Retailer 5$1,046 USD
Retailer 11$1,075 USD
Retailer 3$1,253 USD
Retailer 18$1,283 USD
Retailer 6$1,287 USD
Retailer 12$1,375 USD
Brilliant Earth$1,810 USD

41 data points across 20 retailers

26 retailers$257 USD to $1,375 USD

A
Cheapest Retailer
-
$257 USD
A
Retailer 2
-
$257 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$287 USD
View
Final sale: no returns
A
Retailer 4
-
$314 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$318 USD
View
A
Retailer 6
-
$318 USD
View
A
Retailer 7
-
$358 USD
HK$2,800 HKD
View
A
Retailer 8
-
$430 USD
View
B+
Retailer 9
-
$430 USD
View
A
Retailer 10
-
$521 USD
€496 EUR
View
A
Retailer 11
-
$523 USD
View
A
Retailer 12
-
$547 USD
ZAR 8,840 ZAR
View
B+
Retailer 13
-
$605 USD
£476 GBP
View
B+
Retailer 14
-
$660 USD
View
B+
Retailer 15
-
$742 USD
A$1,142 AUD
View
B+
Retailer 16
-
$808 USD
View
B+
Retailer 17
-
$925 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,024 USD
View
B
Retailer 19
-
$1,024 USD
View
Price last confirmed 38 days ago
B
Retailer 20
-
$1,046 USD
SGD 1,414 SGD
View
B
Retailer 21
-
$1,075 USD
View
B
Retailer 22
-
$1,253 USD
View
B
Retailer 23
-
$1,283 USD
£1,010 GBP
View
B
Retailer 24
-
$1,313 USD
View
B
Retailer 25
-
$1,375 USD
View
Most Expensive
B
Brilliant Earth
20975452A · Oct 16
$1,810 USD
View
Price last confirmed 13 days ago
25 more retailers have this diamond
Prices start from $257 USDSave up to $1,118 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
1.60ct Round
$257 USD