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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG689522824

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG689522824

Diamond specifications and retailer prices

From $217 USD
As of October 30, 2026
Save $1,463 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,680 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG689522824 or 689522824. Listed at 25 retailers as of October 29, 2026, with prices from $217 to $1,680, a $1,463 spread on the same certified stone. Brilliant Earth lists it at $1,680. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689522824
Dimensions6.06 × 6.06 × 6.72 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.06 mm6.06 mm1.56 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689522824
Side View
Table 71.0%Crown 52.4°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 71.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,680 USD|Low: $242 USD|High: $1,810 USD|Avg: $762 USD|-7.2%
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
October 30, 2026
Retailer 2$243 USD
Retailer 14$434 USD
Retailer 8$459 USD
Retailer 12$461 USD
Retailer 9$498 USD
Retailer 6$525 USD
Retailer 13$627 USD
Retailer 5$863 USD
Retailer 15$866 USD
Retailer 4$914 USD
Retailer 10$980 USD
Retailer 7$1,052 USD
Retailer 3$1,080 USD
Retailer 11$1,082 USD
Brilliant Earth$1,680 USD

44 data points across 15 retailers

25 retailers$217 USD to $1,680 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$243 USD
View
Final sale: no returns
A
Retailer 3
-
$251 USD
View
A
Retailer 4
-
$268 USD
View
A
Retailer 5
-
$268 USD
View
A
Retailer 6
-
$307 USD
HK$2,400 HKD
View
A
Retailer 7
-
$434 USD
€413 EUR
View
B+
Retailer 8
-
$459 USD
View
A
Retailer 9
-
$461 USD
ZAR 7,451 ZAR
View
A
Retailer 10
-
$498 USD
£392 GBP
View
B+
Retailer 11
-
$525 USD
View
B+
Retailer 12
-
$545 USD
View
B+
Retailer 13
-
$627 USD
A$965 AUD
View
B
Retailer 14
-
$863 USD
View
B
Retailer 15
-
$866 USD
View
B
Retailer 16
-
$872 USD
SGD 1,179 SGD
View
B
Retailer 17
-
$914 USD
View
B
Retailer 18
-
$916 USD
View
B+
Retailer 19
-
$980 USD
A$1,507 AUD
View
B
Retailer 20
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$1,052 USD
£828 GBP
View
Retailer 21
-
$1,080 USD
View
Price last confirmed 25 days ago
B
Retailer 22
-
$1,082 USD
£852 GBP
View
B
Retailer 23
-
$1,093 USD
View
B
Retailer 24
-
$1,246 USD
View
Most Expensive
B
Brilliant Earth
17805270A · Oct 29
$1,680 USD
View
24 more retailers have this diamond
Prices start from $217 USDSave up to $1,463 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
1.56ct Radiant
$217 USD