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Radiant|Lab Grown|IGI

1.70ct D IF Radiant Lab Grown Diamond

GD • D/IF • IGI LG729529458

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

Certificate IGI LG729529458

Diamond specifications and retailer prices

From $1,064 SGD
$832 USD
As of October 30, 2026
Save $4,076 SGD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,139 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG729529458 or 729529458. Listed at 11 retailers as of October 30, 2026, with prices from $1,064 to $5,139, a $4,076 spread on the same certified stone. Brilliant Earth lists it at $5,139. 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

1.70
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729529458
Dimensions8.44 × 5.89 × 3.88 mm
L/W Ratio1.43
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
8.44 mm5.89 mm1.70 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729529458
Side View
Table 67.0%Crown 46.2°Girdle: MediumPavilion 34.7°Culet: NoneDepth 65.9%

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 30
Current: $5,139 SGD|Low: $1,036 SGD|High: $5,740 SGD|Avg: $2,519 SGD|-10.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$1,064 SGD
Retailer 10$1,087 SGD
Retailer 7$1,153 SGD
Retailer 4$1,319 SGD
Retailer 11$1,682 SGD
Retailer 2$2,532 SGD
Retailer 3$2,582 SGD
Retailer 5$3,328 SGD
Retailer 9$3,464 SGD
Retailer 6$4,033 SGD
Brilliant Earth$5,139 SGD

42 data points across 11 retailers

11 retailers$1,064 SGD to $5,139 SGD

A
Cheapest Retailer
-
$1,064 SGD
$832 USD
A
Retailer 2
-
$1,087 SGD
$850 USD
View
Retailer 3
-
$1,153 SGD
€859 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$1,319 SGD
£813 GBP
View
B+
Retailer 5
-
$1,682 SGD
$1,316 USD
View
B
Retailer 6
-
$2,532 SGD
A$3,047 AUD
View
B
Retailer 7
-
$2,582 SGD
$2,020 USD
View
B
Retailer 8
-
$3,328 SGD
£2,050 GBP
View
B
Retailer 9
-
$3,464 SGD
$2,710 USD
View
Retailer 10
-
$4,033 SGD
$3,155 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16081761A · Oct 30
$5,139 SGD
$4,020 USD
View
10 more retailers have this diamond
Prices start from $1,064 SGDSave up to $4,076 SGD

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
1.70ct Radiant
$1,064 SGD