CaratHunter
Plans
Radiant|Lab Grown|IGI

1.70ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG623464285

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

Certificate IGI LG623464285

Diamond specifications and retailer prices

From $614 NZD
$346 USD
As of October 30, 2026
Save $2,367 NZD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,500 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 very-good cut grade and certified by IGI LG623464285 or 623464285. Listed at 20 retailers as of October 25, 2026, with a 386% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623464285
Dimensions8.49 × 5.82 × 4.03 mm
L/W Ratio1.46
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
8.49 mm5.82 mm1.70 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623464285
Side View
Table 64.0%Crown 42.7°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 69.2%

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 30
Current: $5,500 NZD|Low: $614 NZD|High: $5,642 NZD|Avg: $1,874 NZD|-2.5%
Rare Carat
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 31, 2026
Retailer 9$614 NZD
Retailer 7$685 NZD
Retailer 18$713 NZD
Retailer 4$761 NZD
Retailer 8$761 NZD
Retailer 16$1,029 NZD
Retailer 2$1,211 NZD
Retailer 3$1,226 NZD
Retailer 6$1,228 NZD
Retailer 15$1,309 NZD
Retailer 13$1,369 NZD
Retailer 14$1,768 NZD
Retailer 19$1,897 NZD
Retailer 20$2,241 NZD
Retailer 11$2,449 NZD
Retailer 12$2,524 NZD
Retailer 10$2,878 NZD
Retailer 5$2,946 NZD
Retailer 17$2,981 NZD
Rare Carat$5,500 NZD

35 data points across 20 retailers

20 retailers$614 NZD to $2,981 NZD

A
Cheapest Retailer
-
$614 NZD
$346 USD
A
Retailer 2
-
$685 NZD
$386 USD
View
Final sale: no returns
A
Retailer 3
-
$713 NZD
$402 USD
View
A
Retailer 4
-
$761 NZD
$429 USD
View
A
Retailer 5
-
$761 NZD
$429 USD
View
A
Retailer 6
-
$1,029 NZD
$580 USD
View
A
Retailer 7
-
$1,211 NZD
€650 EUR
View
A
Retailer 8
-
$1,226 NZD
$691 USD
View
A
Retailer 9
-
$1,228 NZD
$692 USD
View
A
Retailer 10
-
$1,309 NZD
ZAR 11,918 ZAR
View
A
Retailer 11
-
$1,369 NZD
£607 GBP
View
A
Retailer 12
-
$1,768 NZD
A$1,533 AUD
View
A
Retailer 13
-
$1,897 NZD
$1,069 USD
View
B+
Retailer 14
-
$2,241 NZD
$1,263 USD
View
B+
Retailer 15
-
$2,449 NZD
$1,380 USD
View
B+
Retailer 16
-
$2,524 NZD
$1,422 USD
View
B+
Retailer 17
-
$2,878 NZD
$1,622 USD
View
B+
Retailer 18
-
$2,946 NZD
$1,660 USD
View
B+
Retailer 19
-
$2,981 NZD
£1,323 GBP
View
Most Expensive
Rare Carat
165-13_l_623464285 · Oct 18
$5,500 NZD
$3,100 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from $614 NZDSave up to $2,367 NZD

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
$614 NZD